answer: Catherine calls Oriental Electric Limited to reschedule the appointment with Mr.Liu. #Person2# helps her changes it to 3:00 tomorrow afternoon.
documents: #Person1#: Good morning, Oriental Electric Limited.
  #Person2#: Hello, this is Catherine. I am calling about the appointment with Mr. Liu for this afternoon. Something has just come up. I am afraid the appointment will have to be rescheduled. I am very sorry about the change.
  #Person1#: That is all right. Maybe we can make another arrangement.
  #Person2#: You are very kind to say so. Thank you. Do you think tomorrow morning would suit him?
  #Person1#: I'm afraid there is a bit of a problem. in fact, he has booked up the whole week except tomorrow afternoon.
  #Person2#: Tomorrow afternoon. Um. . . When do you think I can come and see him tomorrow afternoon?
  #Person1#: Please let me check. . . Tomorrow afternoon. . . Yes, he'll be free from 3:00 tomorrow afternoon. Do you think it's convenient for you?
  #Person2#: Yes, that's quite all right for me. Can we change it?
  #Person1#: All right. Let's change it. Tomorrow afternoon at three. I am going to schedule it for that time and inform Mr. Liu about the change.
  #Person2#: Thank you very much. See you tomorrow afternoon.
  #Person1#: See you.