answer: Fred explains the details of the plan for April 28th to #Person1#. #Person1# asks him to add one plan after the meeting.
documents: #Person1#: Fred, have you made the plan for April 28th?
  #Person2#: Yes, sir. Shall I explain the details of the plan now?
  #Person1#: You go!
  #Person2#: According to your schedule, you will visit the Times Company, including its office building, workshops and stores, in the morning from 8: 30 to 11
  #Person1#: Is there anything after the meeting? In that case, would you add one plan? I want to visit our guest Mr. Ross after the meeting. Can you arrange it for me?