Hello.
user
Hello, how best may I serve you today?
assistant
As my meeting got postponed with my client, can you please help me in cancelling my existing reservation?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
David Hill here.
user
 I am very sorry to inform you that there is no reservation found under your name in our database.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant