Hello,.
user
Hello, how can I support you?
assistant
I am George Hall. I would like to change my existing reservation, due to my hockey tournament has been postponed.
user
Sure, please wait for a second.
assistant
Ok.
user
There is no reservation found in your given name.
assistant
Ok, no issues. Thank you for your kind service.
user
Thank you for opting us, regarding change in existing reservation.
assistant