answer: #Person1# helps #Person2# order a roast chicken leg. #Person2# is picky and asks #Person1# to come back several times to solve problems.
documents: #Person1#: Good morning, Madam, can I take your order now? 
  #Person2#: Yes, I'd like to have a roast chicken leg. 
  #Person1#: Anything else? 
  #Person2#: No. 
  #Person1#: How about drink? 
  #Person2#: No, enough. 
  #Person1#: Please wait a moment. 
  #Person2#: Waiter, come back. 
  #Person1#: OK. What's up, Madam? 
  #Person2#: It's not too salty. 
  #Person1#: OK. 
  #Person2#: Waiter, come back again. 
  #Person1#: Yes, anything wrong? 
  #Person2#: Not too rare. 
  #Person1#: Yes, I see. 
  #Person2#: Why do you come back again? 
  #Person1#: There's a question I want to ask you. 
  #Person2#: What's that? 
  #Person1#: Which leg do you want to have, right leg or left one? 
  #Person2#: Thanks, thanks a lot and thanks a million. 
  #Person1#: Why do you say so many thanks? 
  #Person2#: I can't forget about this when next time.