Assistant: Good afternoon. Can I help you?
Mum: Yes. I want a pair of shoes, please.
Assistant: What size? 8 or 9?
Mum: No. They're too big. The shoes are for my daughter.
Assistant: What about size 6?
Amy: Let me see. Oh, Mum, they're too big.
Assistant: What about this pair, size 5?
Amy: Yes, they fit me well(很适合我). But I don't like black. Give me the white ones, please.
Assistant. OK. Here are the white shoes, Size 5.
Mum: Thank you. How much are they?
Assistant: Twenty yuan.
Mum. I'll take them.