answer: #Person2# asks #Person1# to pay 30 dollars and #Person1# is surprised because the meter says 15 dollars.
documents: #Person1#: Take me to this address, please. 
  #Person2#: Yes, Ma'am. Here we are. 
  #Person1#: How much do I owe you, sir? 
  #Person2#: 30 dollars, Ma'am. 
  #Person1#: Are you kidding? The meter says 15 dollars, doesn't it? 
  #Person2#: Yes, but we need some extra charge and some tip too. 
  #Person1#: I don't get it. I'll go and have our doorman talk to you then. 
  #Person2#: Ok, Ma'am. Calm down, 15 dollars will do.