answer: Mr. Prince phones for Mr. Carson. #Person2# tells him Mr. Carson isn't available and will ask Mr. Carson to ring him before Mr.Carson leaves.
documents: #Person1#: Good morning, Mr. Carson, please?
  #Person2#: I'm afraid Mr. Carson is at a very important meeting at the moment and cannot be disturbed. May I know who's calling?
  #Person1#: Yes, this is Mr. Prince. I would like to talk to Mr. Carson today, if possible.
  #Person2#: Well, I'm afraid the meeting won't finish until one o'clock and then he has a lunch appointment. If he has time, I can ask him to ring you before he leaves.
  #Person1#: OK. I'd be grateful if you would.
  #Person2#: Not at all. Mr. Prince. Could I take your telephone number and then I'll ask Mr. Carson to ring you as soon as he's free?
  #Person1#: Yes, it's Hong Kong--68261427 extension 4036.
  #Person2#: Hong Kong--68261427 extension 4036. Right. Perhaps he has no time to ring you this morning, but I will ask him to ring you as soon as he returns from lunch.
  #Person1#: Thank you.