A;Can I___help___you?
B;Yes,____please___.I____need_____a dress.
A:Well,we have many dresses in red,blue and white.what__color_____do you like?
B;I like red.
A;DO you like this___one___?Yt's red.
B;Let me have alook__at___it.Oh,it's nice.____how_ ____much__is it?
A;It's only 10 dollars.
B;That's cheap.I'll__buy___it.
A;Here you are.
B;Thanks.
A;You're___welcome______.