answer: #Person2# has a problem that someone is making charges on #Person2#'s debit card. #Person1# investigate on this problem.
documents: #Person1#: May I help you?
  #Person2#: I have a problem.
  #Person1#: What ' s the problem?
  #Person2#: Someone else is making charges on my debit card.
  #Person1#: I need to see a statement for your debit card.
  #Person2#: I have it right here.
  #Person1#: Can you show me which charges you ' re referring to?
  #Person2#: The last four charges.
  #Person1#: We will need to do an investigation on this.
  #Person2#: How long will that take?
  #Person1#: We ' ll have to freeze payment on those charges until the investigation is finished.
  #Person2#: I really appreciate your help.