Good evening!What can I do for you?
B:I'm looking for a pair of black shoes.
A:What size do you want?
B:Size 10.
A:Sorry,I afraid we haven't got any black shoes in that size at the moment.We've got some brown ones.
B:Have you got any other kind?
A:What about those shoes over there.
B:Well,that colour looks nice.How much do they cost?
A:Two hundred yuan.
B:Hmm,that's a bit expensive.Can I try them on?
A:Certainly.