C: Hello ,recently I bought a printer, but one of the wires is missing . Unfortunately,I didn`t  see it  immediately in the store. Can you help me?
SA: Yes, of course. We canreplace your printer to another or refund you if you present the receipt.
С: But nobody gave me areceipt when I bought it.
SA: Are you sure?
C: Yesh
SA: We'll check it on the camera.
C: Okay.
SA: I'm sorry, but the video shows that we issued you a receipt. We can'trefund you.
C: I'm so forgetful! Sorry, maybe I lost it on the road.
SA: Contact service repair.I'm sorry, but our store can't help you with it.
С: Nothing bad. I'll becareful now. Have a good day.
SA: Goodbye.