Hi.
user
Hello, how may I help you today?
assistant
As my exam got postponed, can you help me to change my existing reservation?
user
Sure, I am here to help you. May I know your name please?
assistant
Sure, my name is Rebecca Brown.
user
Ok, please wait for a moment.
assistant
Ok.
user
Sorry Brown, there is no reservation found as per your name to change your reservation.
assistant
That's ok, thank you.
user
You are welcome.
assistant