answer: #Person1# takes a taxi to the city square at 17:30 and offers #Person2# an extra 5$ for driving him there on time.
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.