补全对话。根据对话内容，在横线上写出适当的词句，使对话内容完整。
A：________
B：Yes, I’m going to buy a new dress. I want something beautiful. I want to wear it in the evening.
A：I see. _______
B：Size eight or nine.
A：_______It’s very beautiful.
B：Sorry, I don’t really like the colour. Have you got any other colour?
A：Oh, yes. We’ve got black, white and brown ones.
B：Can I have a look at the white one? That look great.
A：Yes. ________
B：Thank you. It looks nice. ______
A：Certainly. This way, please.