An automatic response should include the date when you left, a reason (vacation, sick leave, a conference, etc) and, if possible, the date when you plan to come back. Thank your client for their email, promise to get back to it as soon as possible and apologize for the inconvenience. Also, it should be obvious that you’re out of office from the first sentence.
During winter break, certain essential services must still be provided on our campuses, such as hospital operations at UTMC, approved research activities and public safety. Therefore, winter break does not include UTMC employees nor certain required positions, which might vary annually depending on need.

Click the File tab at the top-left corner of the Outlook display. Click the box to Automatic Replies box to the immediate left of the Automatic Replies (Out of Office) text. In the Automatic Replies box that appears, click the circle to the left of the Send automatic replies option.
There's a term that we like to use around here called "snowbirds," which is used to describe those who once resided in the northern part of the U.S., only to flee to warmer parts of the country during the winter.