X: Hello. I'd like to return this USB cable, please. I'm afraid it (work) doesn't work.
Y: Oh dear, what's the problem?
X: I don't know. It has never worked, not since I bought it.
Y: I see. How?(long) long have you had it?
X: I've only had it for a week - I bought it last weekend
Y: OK.'(got)Have you got a receipt?
X: Yes, here it is. Y: Would "(replace) you like to replace a refund?
X: I'd like to exchange it for another one, please.
Y: Of course, no problem. it or get