answer: Wang Bin from China in Room 103 checks out and pays with American Express with #Person2#'s assistance.
documents: #Person1#: Good morning. I'd like to check out right now.
  #Person2#: May I have your room number . Sir?
  #Person1#: Room 103.
  #Person2#: Just a minute, Sir. Are you Mr. Wang from China?
  #Person1#: Yes. Wang Bin.
  #Person2#: Mr. Wang, did you sign any bill in the last two hours in our hotel?
  #Person1#: No.
  #Person2#: Have you used any hotel services this morning?
  #Person1#: No, I have not.
  #Person2#: Here is your bill. It totals 3250 dollars.
  #Person1#: All right. Can I pay with credit cards?
  #Person2#: What kind of card?
  #Person1#: American Express.
  #Person2#: Yes, we do. Here is your bill and receipt.