answer: The engine died on the way to the airport. #Person1# finds out they're out of gas. #Person2# suggests waiting for somebody to pick them up.
documents: #Person1#: What's the matter?
  #Person2#: I don't know. All of a sudden, the engine died.
  #Person1#: Well, can you start it?
  #Person2#: No...No, it won't start now.
  #Person1#: Could we be out of gas?
  #Person2#: No, I'm sure we are not out of gas.
  #Person1#: Let's check the gas gauge. Oh, see, it's on 'empty'.
  #Person2#: I was sure the tank was half full!
  #Person1#: Obviously, it wasn't. Well, too bad.
  #Person2#: What time is it now?
  #Person1#: It's five to eight. I am afraid we can't get to the airport on time. He's probably looking for us right now.
  #Person2#: Let's stand by the side of the road for a few minutes. Maybe somebody will stop and pick us up.