Hello,.
user
Hello, how may I help you?
assistant
Can you please help me in changing my existing reservation, as my exam got postponed.
user
Sure, may I know your name please?
assistant
Myself, John Young.
user
Ok, please wait.
assistant
Ok.
user
Sorry to inform you that there is no active reservation found with your name in our records.
assistant
Ok, no issues. Thank you for your information.
user
Most welcome.
assistant