Hi. I am Brain Nelson.
user
Hello, how can I help you today?
assistant
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you help me in changing an existing reservation?
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry to say, no reservation found with your name.
assistant
Ok, not an issue. Thanks for your information.
user
Thanks for reaching us.
assistant