Hi.
user
Hello, how can I help you today?
assistant
I have made a reservation earlier but unknowingly I provide wrong dates, so I want to change my reservation. Can you help me with that?
user
May I know your name?
assistant
My name is Gary Miller.
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry to inform, no reservation found with your name.
assistant
No problem, thank you for your information.
user
Thanks for reaching us.
assistant