answer: #Person1# wants to learn to use the library efficiently and #Person2# will show #Person1# around this afternoon.
documents: #Person1#: Excuse me, Miss.
  #Person2#: Yes. May I help you?
  #Person1#: I'm a graduate student here in mathematics. I've just come from China and I've never used a western library before. I'll be here for five years, so I'd like to learn to use the library as efficiently as possible. I wonder if someone might have time to show me around.
  #Person2#: I'd be very glad to show you around, but I'm very busy right now. Could you come back about 3, 30?
  #Person1#: Sure. 3:30 this afternoon.
  #Person2#: Good. See you later.
  #Person1#: Thank you. Good-bye.