answer: #Person2# tells #Person1# the postage and the weight of the letter and asks #Person1# to write down the postal code.
documents: #Person1#: Excuse me. What's the postage on this letter to New York, please?
  #Person2#: How would you like to send it?
  #Person1#: By registered airmail.
  #Person2#: Eighty cents, please. And please write down the postal code in the mailing address. Anything else?
  #Person1#: Yes. I'd like 6 postcards and 10 fifty-cent stamps, please.
  #Person2#: All right. Here you are.
  #Person1#: And this package is for London. Will you weigh it for me?
  #Person2#: Yes, of course. This package is 10 grams overweight. You'll have to pay 50 cents extra for the overweight.