Y: Could I have a refund on this?

Y:这件东西我可以退款吗?

X: I'm afraid you can't.

X:恐怕不能。

Y: Then can I exchange it for something else with the same price?

Y:那我可以交换等值的其他东西吗?

X: Just a moment. Let me find out. Our manager will be here in a minute. So will you speak to him?

X:等一下，让我问问看。我们经理马上就来，您愿意和他谈谈吗?

Y:OK. I will.

Y:好的，我愿意。