Assistant: Good morning. Can I help you?
Helen: Yes. I'd like an umbrella, please.
Assistant: Look at the red one. Is it nice? Helen:Yes, it is. How much is it?
Assistant: It's fifty yuan.
Helen: It's expensive.
Assistant: What about the white one? It's twenty yuan.
Helen: It's nice and cheap. I'll take it. Here you are.
Assistant: Thank you. Here's your umbrella. Helen:Thank you.
