answer: #Person1# says #Person2# cannot change the order because the fish will be ready.
documents: #Person1#: Is there anything I can do for you?
  #Person2#: Excuse me, can I change my order? I am afraid I don't have so much time to enjoy my dinner.
  #Person1#: I am sorry, sir. Your fish will be ready in five minutes so you can't change it.
  #Person2#: That's all right.