Give me a refund. → Could you give me a refund? Could I get a refund? Where should I collect the tickets? → It would be great if you could tell me where I should collect the tickets. Bring me another color. → I would be happy if you could bring me another color. Check the warranty. → If you don't mind, could you check the warranty? How much is it? → Could you tell me how much it costs? When does..