Hi.
user
Hello, how may I help you today?
assistant
As my exam got postponed, I want to change my existing reservation. Can you help me out?
user
Sure, I am here to help you with this. May I know your name please?
assistant
Sure, my name is Robert Martinez.
user
Please wait for a moment.
assistant
Ok.
user
Sorry Martinez, there is no reservation found as per your name to change it.
assistant
That's ok, thank you.
user
You are welcome always.
assistant