answer: #Person2# makes an excuse for being late that the eight-thirty train was canceled. Mrs. Miller sees through #Person1#'s lie and is very angry.
documents: #Person1#: And what time do you call this then?
  #Person2#: look, I'm sorry, Mrs. Miller...
  #Person1#: Ten o'clock is a fine time to roll into work, isn't it?
  #Person2#: Yes, I know I'm a bit late, but...
  #Person1#: A bit late! Listen to that! A bit late, he says.
  #Person2#: Please, Mrs. Miller, my train...
  #Person1#: Oh, don't tell me .... your train was late.
  #Person2#: No, it wasn't, it...
  #Person1#: Well, what's your excuse this time then, George?
  #Person2#: The eight thirty train was cancelled so I had to wait for the next train.
  #Person1#: Cancelled, was it?
  #Person2#: Yes, they said it had engine trouble.
  #Person1#: Well, that's rather strange. Harry got here all right. He didn't seem to have any problem with the eight thirty!
  #Person2#: Oh...er... which machine shall I start on? This blue car, Mrs. Miller?