Help your users know when to expect a response. It’s easy to show customers your team’s availability and let them know when they can get assistance from your team. You can manage their expectations by setting your office hours and expected response time.
The science fiction writer John Scalzi says “The failure mode of clever is asshole,” which seems to apply here.

Our sales and administration offices will be closed from 21st December until 2nd January 2019 for the Christmas holidays. We will resume operations from 3rd January 2019. The support you have given us in 2018 is greatly appreciated and we look forward to serving you in 2019. Please choose your region: USA United Kingdom, UNITED KINGDOM Germany, GERMANY All other countries CZECHIA Fill-in all information below and click on “Register” to establish anaccount with us. All fields marked with an asterisk “*” are mandatory. Phone* Email* Password* Confirm Password* By clicking on Register, you agree with Terms and Conditions Location* Select location... Area Four Industries HQ Area Four Industries UK Area Four Industries USA Area Four Industries DE Litec IT First name* Last name* Company* Message* By clicking on Send, you agreeing to the Terms and Conditions Send The serial number can be found on the label (a sticker that is glued on each product) that is located in the lower left corner under the name of technology. It consists of 11 numbers. The first two numbers show the year of manufacture, the following six numbers are the production order and the last three numbers show the quantity of the production order. We may use the information we collect from you when you register, purchase products, enter a contest or promotion, respond to a survey or marketing communication, surf the website, or use certain other site features in the following ways: We implement a variety of security measures to maintain the safety of your personal information. Your personal information is contained behind secured networks and is only accessible by a limited number of persons who have special access rights to such systems, and are required to keep the information confidential. When you place orders or access your personal information, we offer the use of a secure server. All sensitive/credit information you supply is transmitted via Secure Socket Layer (SSL) technology and then encrypted into our databases to be only accessed as stated above. Yes. Cookies are small files that a site or its service provider transfers to your computer's hard drive through your Web browser (if you allow) that enables the site's or service provider's systems to recognize your browser and capture and remember certain information. For instance, we use cookies to help us remember and process the items in your shopping cart. They are also used to help us understand your preferences based on previous or current site activity, which enables us to provide you with improved services. We also use cookies to help us compile aggregate data about site traffic and site interaction so that we can offer better site experiences and tools in the future. We may contract with third-party service providers to assist us in better understanding our site visitors. These service providers are not permitted to use the information collected on our behalf except to help us conduct and improve our business. You can choose to have your computer warn you each time a cookie is being sent, or you can choose to turn off all cookies. You do this through your browser (like Netscape Navigator or Internet Explorer) settings. Each browser is a little different, so look at your browser Help menu to learn the correct way to modify your cookies. If you turn cookies off, you won't have access to many features that make your site experience more efficient and some of our services will not function properly. However, you can still place orders over the telephone by contacting customer service. We do not sell, trade, or otherwise transfer to outside parties your personally identifiable information unless we provide you with advance notice, except as described below. The term "outside parties" does not include www.milossystems.com. It also does not include website hosting partners and other parties who assist us in operating our website, conducting our business, or servicing you, so long as those parties agree to keep this information confidential. We may also release your information when we believe release is appropriate to comply with the law, enforce our site policies, or protect ours or others' rights, property, or safety. However, non-personally identifiable visitor information may be provided to other parties for marketing, advertising, or other uses. In an attempt to provide you with increased value, we may include third party links on our site. These linked sites have separate and independent privacy policies. We therefore have no responsibility or liability for the content and activities of these linked sites. Nonetheless, we seek to protect the integrity of our site and welcome any feedback about these linked sites (including if a specific link does not work). We welcome your questions, comments, and concerns about privacy. Please send us any and all feedback pertaining to privacy, or any other issue. www.mobiltechlifts.com does not represent or warrant that the functions contained in the site will be uninterrupted or error-free, that the defects will be corrected, or that this site or the server that makes the site available are free of viruses or other harmful components. www.mobiltechlifts.com does not make any warrantees or representations regarding the use of the materials in this site in terms of their correctness, accuracy, adequacy, usefulness, timeliness, reliability or otherwise. Some states do not permit limitations or exclusions on warranties, so the above limitations may not apply to you.
Lastly, don’t forget to set your out-of-office greeting for your office and mobile phones while you’re out.