A: What can I do for you? I am looking for a sweater. A: Let me show you. How about ts one? It's too big for me, and I don't like this color. Let me show you another one. Ts is the most beautiful in my shop. Please think about it. Not too expensive. This is 100 yuan. A: how much is it? It's good. B: 100 yuan, which is worth buying. A: Oh, it's a little big for me. Do you have a smaller size? B: Yes. Please wait a moment. Hmm ~ it suits me very well. Ok, I'll take it. Here is the money. B: Thank you. Goodbye. It's such an ultra-simple shop assistant: sa Consumer: CsA: Hello, what can I do for you? C: I want to buy some toys, a chocolate and a pumpkin on the list below. Sa: OK, just a moment, please. C: Thank you. Sa: these are the things you need, but pumpkin, I need to go to the warehouse to get it, so I'm sorry. Ok, I'll wait for you here.