Hello,.
Hello, how can I assist you?
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you help me?
Sure, Can you please provide your name?
Alexander Moore, is my name.
Please wait for a moment.
Sure.
We did not find any reservation on your name.
Ok, not a problem at all. Thanks for the instant response.
Thank you for choosing us.