answer: #Person1# hurries to get to the city square and #Person2# gets #Person1# there on time, so #Person2# gets the extra money promised by #Person1#.
documents: #Person1#: Taxi!
  #Person2#: Yes, sir. Where to?
  #Person1#: The city square, please.
  #Person2#: Are you in a hurry?
  #Person1#: Yes, I have to be there to meet a friend at 5 thirty pm. So we're sure we can get there on time?
  #Person2#: I'm afraid not, sir. Generally we can, but you know how it is in the rush hour now.
  #Person1#: I see. Here's the extra 5 $ for you if you can get me there on time.
  #Person2#: All right. I'll do my best.
  #Person1#: Oh.we made it. Thank you. How much do I own you?
  #Person2#: The reading on the kilometer is 12 $.
  #Person1#: Here's the money, keep the changes, please.
  #Person2#: Do you need a receipt?
  #Person1#: No, thank you.