Hi.
user
Hello.
assistant
I am Anthony Campbell.
user
How may I amend you today?
assistant
 I would like to change my existing reservation due to postpone of launching a new product at New York. Can you help me out?
user
Sure. I am here to aid you.
assistant
Thank you.
user
Please wait, I will revert to you.
assistant
Sure.
user
I have gone through the reservation list, but we could not find your name in the data base.
assistant
Not an issue. Thank you.
user
Thanks for availing us, Have a nice day.
assistant