根据首字母完成对话
A：what can I do for you
B:I'm l---- f---- a pair of black shoes.
A:What s---- do you want?
B:Size 39.
A:I'm afraid we h---- g---- any black shoes in that size at moment.But we've got some brown o----.
B:Hmm.Have you got any o---- k----?
A:What about thoes shoes o---- t----?
B:Well,that p---- looks nice.How much do they c----?
A:85 yuan.
B:Hmm!That's a b---- expensive.Can I t---- them o---- ,please?
A:Certainly.