answer: Bill Black asks to add the wine bill onto the hotel bill. The waiter asks for his name, room number and a look on his room card.
documents: #Person1#: Waiter, bill, please.
  #Person2#: Yes, I'll be with you in a minute. Here's your bill, sir. It's 480 yuan altogether.
  #Person1#: What's this for?
  #Person2#: That's for the wine.
  #Person1#: I see.
  #Person2#: Would you like to put it on your hotel bill?
  #Person1#: Yes. please.
  #Person2#: Your name and room number, please?
  #Person1#: Bill Black, Room 1201.
  #Person2#: May I have a look at your room card, Mr. Black?
  #Person1#: Sure. Here it is.