answer: #Person1#'s paying by credit card and worries about its safety. #Person2# assures #Person1# of the security and tells #Person1# what to do.
documents: #Person1#: OK. I just saw a Versace for thirty dollars. This stuff can't be real!
  #Person2#: Most of it is. You should sign up.
  #Person1#: I'm not sure I'd want to give these people my credit card number.
  #Person2#: Didn't you read about Paypal and Bidpai? They are very safe.
  #Person1#: Sure, but it's so complicated. They asked for my credit card authorization number.
  #Person2#: That's the last three or four numbers on the back of your credit card where your signature is.
  #Person1#: I have trouble understanding all these forms. . . but I'm sure I'll get it.