answer: Mr. Smith phones for Mr.Wang. #Person1# tells Mr. Smith he isn't available so Mr. Smith requests #Person1# to leave a message.
documents: #Person1#: Hello, ABC Company.
  #Person2#: Hello, could I speak to Mr. Wang, please?
  #Person1#: I am sorry. He's out in a meeting now. Could I ask who is calling?
  #Person2#: This is Mr. Smith of XYZ Company. When will he be back?
  #Person1#: He'll be back at about five in the afternoon. Could I take a message?
  #Person2#: Yes, Please tell him I called and ask him to return my call as soon as possible. It's about the PPT contract.
  #Person1#: All right, Mr. Smith. I'll be sure he gets your message.