I think these are all pretty generic but are a great starting point.
2. What brings you here today?
3. Whose is your favorite author?
4. What are the last 5 books you read?
5. What is the best number?
6. How can I help you tomorrow?
7. What's the best part of your day so far?
8. How long have you lived in your current place?
9. Why shouldn't I trust you?
10. What did you want to do/be when you were 10 yrs old?
11. How did that work out?
12. Do you watch televised series? If so, what are you watching right now?