answer: Tim reserved a table for four but another three friends will come. #Person2# suggests changing the table to the center and Tim takes it.
documents: #Person1#: Good evening.
  #Person2#: Good evening. We've a reservation for a table for four. My name is Tim.
  #Person1#: Let me check the list. Yes, we do have a reservation under Mr. Tim.
  #Person2#: But there is a change in the number of people. There are seven of us. Three of my friends are coming soon.
  #Person1#: It doesn't matter. Follow me, please. What do you think of the table in the center of the dining room?
  #Person2#: Well, it's a window table that we've booked.
  #Person1#: I'm sorry, but you see, all the tables by the window are small, with up to 4 seats.
  #Person2#: Oh, I see. We'll have to make up with the center one.
  #Person1#: Thank you for your understanding, Mr. Tim.
  #Person2#: If a Mr. Wu comes to look for me, just take him here.
  #Person1#: Yes, I will.