answer: Gary tells #Person1# he managed to bring down the price of his new blue coat to half. #Person1# requests Gary to help #Person1# bargain for a cool hat.
documents: #Person1#: Hi, Gary. How handsome you are in the blue coat!
  #Person2#: Thank you. I'm very glad to hear that.
  #Person1#: I like your new coat very much. Where did you get it?
  #Person2#: Well, I got it from the department store where there are many clothes, from shirt to skirt, from jacket to coat.
  #Person1#: Oh. I know that store. Clothes there are expensive for me. How much did it cost you?
  #Person2#: Not as much as the saleswoman asked for. She wanted $90.
  #Person1#: So. how much did you pay for it in the end?
  #Person2#: I tried to make her bring down to half the price.
  #Person1#: Wow! How smart you are! In fact, I have been attracted by a cool hat in that store for a long time. Can you help me bring its price down?
  #Person2#: I'm not sure, but I can have a try.
  #Person1#: Then, thank you very much.