answer: #Person2# wants to buy perfume. #Person1# recommends one which has special offers when buying lipstick or face cream. #Person2# needs only the perfume so #Person2# leaves.
documents: #Person1#: Good evening, what can I do for you?
  #Person2#: Good evening. I would like to buy a bottle of perfume.
  #Person1#: OK. We have many kinds of perfume here. You can choose freely.
  #Person2#: Which brand would you recommend? I don't want to buy one with quality problems.
  #Person1#: Don't worry, we have no such problems. How about this one? It sells very well.
  #Person2#: Umm, it smells good. How much is it?
  #Person1#: 400 yuan per bottle. And if you buy 2 bottles at the same time, you can get a 10% discount. We have other special offers as well. If you buy lipstick or face cream, you can get a free gift.
  #Person2#: Thanks. I just need perfume when I want to buy lipstick I will come here again.