answer: #Person1# is served with a wrong dish. #Person2# apologizes and will replace it with roast beef that he ordered.
documents: #Person1#: Waiter! May I see you for while?
  #Person2#: Yes. I'll be with you in a second. Yes, sir? What is the problem?
  #Person1#: This is not what I asked for, I'm afraid.
  #Person2#: What did you order?
  #Person1#: Roast beef.
  #Person2#: There must be a mistake. Those are fried oysters. Would you like to keep it or change?
  #Person1#: Roast beef, of course. That's what I ordered.
  #Person2#: Just a moment and I'll get your order right away. Sorry to cause the inconvenience.