I want to buy a rain coat . Could you please show me one ?
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user
With pleasure . What color do you like ?
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assistant
I like yellow best . How much does it cost ?
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user
It costs 275 yuan , Miss .
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assistant
It's nice , but that's very steep for a rain coat . Could you give me a 20 percent discount ?
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user
Sorry , we don't give discounts .
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assistant