answer: Morris asks #Person1# to tell Mr. Bell to call back.
documents: #Person1#: Hello, ABC company.
  #Person2#: Hello, this is Mr. Morris Pitt. I'd like to speak to Mr. Bell, please.
  #Person1#: Just a moment. I am sorry. At the moment, he is out of the office. Would you like to leave your number? When he comes back, I will tell him to call you back.
  #Person2#: Please have him call me at my office. He knows the number.
  #Person1#: Of course.