answer: Janet helps John type the letters so he can leave early to take his son to the show.
documents: #Person1#: John, I thought you were going to leave early today to take your son to the show.
  #Person2#: I'm still planning to. But I can't leave until I finish typing all the letters.
  #Person1#: Can you leave that until tomorrow?
  #Person2#: No. The boss wants them first thing tomorrow morning.
  #Person1#: How many have you got left?
  #Person2#: About five.
  #Person1#: Why don't you just go ahead, John? I'll do the letters for you.
  #Person2#: Thank you very much, Janet. You're so kind.