Hi.
user
Hello. How can I help you?
assistant
My business meeting has been postponed, so I would like to change my existing reservation.
user
Ok, to proceed further may I know your name?
assistant
Sure, my name is Anna Robinson.
user
Sorry, there is no reservation found with your name to change reservation.
assistant
Ok, no problem.
user
Thank you for availing us.
assistant
Thank you for checking.
user