answer: #Person2# borrows some books and #Person1# reminds #Person2# to return the book in time.
documents: #Person1#: Can I help you?
  #Person2#: Yes. I'd like to borrow these books.
  #Person1#: Just a second. I'll see if I can find them for you.
  #Person2#: Thanks.
  #Person1#: Here you are. You must return them within a month.
  #Person2#: What happens if I'm not finished with them in a month?
  #Person1#: You can come in and renew them unless someone else has reserved them.
  #Person2#: OK. Thank you very much for your trouble.
  #Person1#: No trouble at all. So long.