answer: #Person2# wants to buy the latest edition of Gone With the Wind and #Person1# helps to find it. #Person2# thinks it's a little bit expensive but still pays for it.
documents: #Person1#: Can I help you, sir? 
  #Person2#: I want to find a book called Gone with the Wind. But I can't find it. 
  #Person1#: Let me give you a hand. The author is. . . 
  #Person2#: Margaret Mitchell. 
  #Person1#: Oh, yes. Here it is . 
  #Person2#: Thank you very much. I have been looking for it for a long time. Is this the latest edition? 
  #Person1#: Yes, we have both the paperback and hardcover. which would you want to buy? 
  #Person2#: How about the price of the hardcover? 
  #Person1#: It's $25. 
  #Person2#: A little bit expensive, but I will buy one. This is $25, here you are.