answer: #Person1# takes #Person2# to a posh store, which is extremely expensive, to buy a dress as #Person2#'s birthday gift. #Person2# chooses a white dress and feels lucky and thankful.
documents: #Person1#: What do you think about this store? I heard it ' s a posh store that ' s only got branches in big cities.
  #Person2#: I love this store. The only problem is that it ' s extremely expensive.
  #Person1#: Don ' t worry. I ' Ve decided that for your birthday I ' m going to take you shopping for a new dress.
  #Person2#: Really? I thought you hated shopping?
  #Person1#: I do, that ' s why you should appreciate this gift!
  #Person2#: Sure. That ' s really nice of you. Let ' s go in and try some things on.
  #Person1#: How about this red dress? I think it would really suit you.
  #Person2#: That ' s gorgeous! Do they have it in a size 8?
  #Person1#: Here you go. On any other day, it would cost me a fortune, but it ' s on special offer today.
  #Person2#: I think this color isn ' t quite right for me. Do they have the same dress in white?
  #Person1#: Let me look. Let ' s see... they ' Ve got one in blue, green, pink, black... and white. Here you are.
  #Person2#: This is perfect! What do you think?
  #Person1#: I think you look fantastic. Happy Birthday!
  #Person2#: I ' m so lucky. You only get a chance like this once in a blue moon! Thanks honey!