answer: #Person2# thinks the fare is too much and asks for a receipt.
documents: #Person1#: We are here. 
  #Person2#: OK. How much is the fare? 
  #Person1#: The total is 45 yuan. 
  #Person2#: 45 yuan? It is too much, Are you sure? 
  #Person1#: It is 45 yuan on the meter. 
  #Person2#: Is there something wrong with your meter? 
  #Person1#: No. I am sure about that. 
  #Person2#: OK. Could you give me a receipt? 
  #Person1#: Yes. This is your receipt.