answer: #Person1# helps #Person2# to cancel a check because #Person2# wrote the check out for way too much.
documents: #Person1#: How are you?
  #Person2#: I ' m doing well.
  #Person1#: How may I help you?
  #Person2#: Could you cancel a check for me?
  #Person1#: What ' s the problem?
  #Person2#: I wrote the check out for way too much.
  #Person1#: How much?
  #Person2#: I wrote the check out for $ 150.
  #Person1#: What were you supposed to write it out for?
  #Person2#: I was supposed to write the check out for $ 100.
  #Person1#: I ' ll just cancel it for you right now.
  #Person2#: That ' s great. You ' re a lifesaver.