answer: #Person1# is happy to pay an extra $10 if #Person2# can take #Person1# to the airport by 17:00, #Person2# pays $20 and tips #Person1# the change.
documents: #Person1#: Where is that? 
  #Person2#: Take me to the airport, please. 
  #Person1#: Are you in a hurry? 
  #Person2#: I have to be there before 1700. 
  #Person1#: We'll make it except a jam. You know it's rush hour. 
  #Person2#: There's an extra ten in it for you if you can get me there on time. 
  #Person1#: I'll do my best. 
  #Person2#: Here's twenty dollars. 
  #Person1#: Do you have small bills? 
  #Person2#: No. If you can't break it , keep the change. But can you give me a receipt? 
  #Person1#: Here is your receipt. Thank you.