Hi. William Anderson here.
user
Hello, how may I aid you today from my end?
assistant
Can you cancel my flight ticket reservation?
user
Sure, I am here to help you out. Please allow me a moment to check the reservation status.
assistant
Sure.
user
Sorry  William Anderson, there is no reservation on your name in our database.
assistant
Not a problem. Thank you.
user
Thank you for reaching us.
assistant