Hello, I am Gary Taylor.
user
Hello. How may I assist you?
assistant
As my manager did not approve my leave, I would like to cancel my recent reservation. Can you help me out with this?
user
Sure, I am here  help you out.
assistant
Thank you.
user
Gary Taylor, we regret to inform you that there is no reservation found on your name in our records.
assistant
That's ok, thank you for checking.
user
Thank you for approaching us.
assistant
Welcome.
user