I have literally never seen an OOO that wasn’t “I will be out of the office until DATE/further notice. Please contact X or Y at EMAIL/PHONE if you need assistance.” This is fascinating stuff.
Here’s one example out in the world, which jumpstarted me thinking about this topic:

I wrote the above comment off the top of my head. I wish I had time to rewrite and edit it. I would have changed “their goldfish” to “a spider they accidentally stepped on”, and would have added more detail to the story of the sister’s death (e.g. “her Pomeranian yapping” rather than the less descriptive “her dog barking”). Unfortunately, I could not do the thorough writing job required for that comment because someone close to me recently … – The person whose out of office advertised his gig on the weekend, for anyone in travelling to [city] – The people in a certain department who have taken to saying things like “if you really need to contact me, call 000-YYY-XXXX where Y is the square root of [insert numbers] and X is the year plutonium was discovered.” – The ones where people have an auto response saying they only check their emails once a day between 1-2pm – “I’m on research leave and I may be slow to reply.” (Whereby it is guaranteed they will reply immediately, because academics do not *really* take breaks).
Oct 09, 2020 · Here’s what I came up with when I did this exercise. They are all good examples of good questions to start a conversation: “I like indoor plants. It makes the room much nicer.” “That’s a great design for a kitchen.” “You can see really far from here.” “I love the coffee smell.”