answer: David Smith wants to book a room for two on the 21st of March but #Person1# tells him they are all booked, so David books a non-smoking room on the 20th.
documents: #Person1#: Hello. Sunnyside Hotel. May I help you?
  #Person2#: Yes, I'd like to book a room for two on the 21st of March.
  #Person1#: Okay. Let me check our books here for a moment. The 21st of May, right?
  #Person2#: No. March, not May.
  #Person1#: Oh, sorry. Let me see here. Hmm,
  #Person2#: Are you all booked that night?
  #Person1#: I'm sorry. They are all booked that day.
  #Person2#: Then do you have a room available either on the 20th or the 22nd?
  #Person1#: Well, would you like a smoking or non-smoking room?
  #Person2#: Non-smoking, please.
  #Person1#: Okay, we do have a few rooms available on the 20th; we're full on the 22nd, unless you want a smoking room.
  #Person2#: Well, how much is the non-smoking room on the 20th?
  #Person1#: $ 80, plus the 10% room tax.
  #Person2#: Okay, that'll be fine.
  #Person1#: All right. Could I have your name, please?
  #Person2#: Yes. David Smith.
  #Person1#: Okay, Mr. Smith, we look forward to seeing you.
  #Person2#: Okay. Goodbye.