answer: #Person1# helps #Person2# check in and asks #Person2# to pay for excess baggage.
documents: #Person1#: How many pieces of luggage would you like to check in, sir?
  #Person2#: Three bags and a suitcase. This is my luggage to check.
  #Person1#: Do you have any carry-on luggage?
  #Person2#: No.
  #Person1#: Put your luggage on the scale, please. Oh, your luggage is overweight.
  #Person2#: How much is the excess baggage part charge?
  #Person1#: Twenty-two dollars
  #Person2#: Here you are.
  #Person1#: This is your voucher, and you can get your luggage back on this. Have a good trip!
  #Person2#: Thank you!