answer: #Person2# asks #Person1# to buy some fruit and lilies because some friends' visit, and #Person2# gives #Person1# 500 yuan in advance.
documents: #Person1#: Good morning, sir. What can I do for you?
  #Person2#: Some friends of mine are going to visit me this evening. Would you please buy some fruit for me?
  #Person1#: Yes, sir. Do you need some flowers?
  #Person2#: That's a good idea. Can you help me to get some?
  #Person1#: Certainly, sir. What kind of flowers would you like?
  #Person2#: A basket of lilies.
  #Person1#: You need fruit and lilies. Am I right?
  #Person2#: Right. Here is five hundred yuan in advance. Is it enough?
  #Person1#: I think it's quite enough. I'II have them bought for you as soon as possible.
  #Person2#: Great! Thank you very much.