Hello.
user
Hello, how may I help you?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, can I know your name please?
assistant
Myself Debra Davis.
user
Please wait for some while.
assistant
Ok.
user
Sorry to inform you that there is no active reservation found with your name in our records.
assistant
Ok, not a problem. Thank you.
user
Most welcome.
assistant