A: Can I help you ?
B; Yes , please ,
A; What do you want ?
B; I want a hat .
A: What color do you want ?
B: Red .
A: How about this one ?
B: Is this nine , jenny ?
C: Yes , aunt . I like it .
A: So , I take it ?
C: Good ! Thank you , aunt .
B: How much is this ?
A: It's twelve yuan .
B: OK . We'll take it .