A: Good evening.
B: Yes, please. I want a pair of sneakers (运动鞋).
B: No, I want some light (轻的),ones.
A: What about this pair? They're light and they are fit for (适合) playing sports.
B: This pair looks nice
A: What coolor do you like?
B: Brown or blue
A: Here are the brown ones.
A: 75 dollars.
B: I'll take them and here is the money.
A: See you next time.
A. Can I help you?