Hello, I am Anna Young.
user
Hello. How can I aid you?
assistant
I want to change my existing reservation, due to my earlier reservation to attend for an seminar has been postponed.
user
Ok.
assistant
Can you aid me with that?
user
Sure. Wait for a minute.
assistant
Sure.
user
Thanks for waiting, There is no reservation found with your name.
assistant
Ok, thanks for your information.
user
Thank you.
assistant