Hello.
user
Hello, how can I help you?
assistant
I am Joshua Baker. My business meeting was postponed, so I want to change my existing reservation.
user
OK, please wait for few minutes.
assistant
Will you help me in changing reservation?
user
Sorry, to say you that there is no reservation found with your name.
assistant
Not an issue. Thank you for your service.
user
Thank you, for reaching us.
assistant