answer: #Person2# tells #Person1# where to buy the bubble wrap and how to post a package. Then #Person1# buys 30 stamps and the bubble wrap with #Person2#'s help.
documents: #Person1#: excuse me, could you tell me which line I ' m supposed to stand in to buy bubble wrap and to post a package?
  #Person2#: you can buy the bubble wrap here, but you ' ll have to stand in line over here to post your passage.
  #Person1#: that ' s a really long line. How long do you think it ' ll take to get through all those people?
  #Person2#: it takes about 3 minutes per person, so it ' ll probably be about an hour ' s wait.
  #Person1#: can I buy stamps here?
  #Person2#: sure. How many would you like?
  #Person1#: I need 30 for my Christmas cards.
  #Person2#: are you sending them abroad?
  #Person1#: twenty of them are going abroad to China and America.
  #Person2#: do you have any going anywhere in the EU? If you do, those are less expensive.
  #Person1#: no.
  #Person2#: ok, here you go. That will be 18 pounds and seventy two pence.
  #Person1#: and the bubble wrap?
  #Person2#: that ' s another quid.
  #Person1#: thanks a lot. You ' Ve been very helpful.