answer: Mary calls Mr. Zhang to give him a present from Wu of Beijing. They will meet at two tomorrow at the lobby of Bai Ju Hotel.
documents: #Person1#: Hello, I wish to speak to Mr.Zhang.
  #Person2#: This is he speaking.
  #Person1#: Oh, how do you do, Mr.Zhang? This is Mary speaking, I have a present for you from Wu of Beijing.
  #Person2#: Oh, thank you.
  #Person1#: Mr.Wu had told me that you were coming to Changchun. May I call on you at your hotel tomorrow?
  #Person2#: Yes, it's all right. Shall we say two in the afternoon?
  #Person1#: Great. Then I'll be at your hotel at two.
  #Person2#: All Right.
  #Person1#: How could I get there?
  #Person2#: The hotel is near to People's Square. Its name is Bai Ju Hotel.
  #Person1#: what's your room number?
  #Person2#: It's Room 302 on the third floor. But I'll be waiting for you in the lobby, If you can't find me, please page me.
  #Person1#: I'll do that, Mr.Zhang, See you tomorrow.
  #Person2#: See you!