answer: Mrs. Dorothy calls to speak to Mr. Li, who isn't in. 
  #Person2# will tell Mr. Li Mrs. Dorothy has called.
documents: #Person1#: May I speak to Mr. Li?
  #Person2#: Which Li, ma'am? There are two Lis here.
  #Person1#: Oh? Mr. Li, head of the Export Section.
  #Person2#: Oh, the chief? That's Mr. Michael Li, then.
  #Person1#: Is that right?
  #Person2#: I'm sorry, but Mr. Li's gone on a trip.
  #Person1#: I see. When will he return?
  #Person2#: He'll be back next Monday.
  #Person1#: All right. I'll call on Monday again.
  #Person2#: May I have your name?
  #Person1#: Mrs. Dorothy Preston.
  #Person2#: Mrs. Dorothy Preston. Is that Dorothy with a 'y'?
  #Person1#: That's right.
  #Person2#: I'll tell Mr. Li you called when he returns.
  #Person1#: Thank you.