Hello.
user
Hello, how may I aid you today from my end?
assistant
I am Mary Campbell, Could you please help me to cancel my reservation?
user
Sure, I am here to help you out. Please allow me a moment.
assistant
Sure.
user
Sorry Mary Campbell, there is no flight reservation on your name.
assistant
Ok, not a problem. Thank you for notifying me.
user
Thank you for reaching us.
assistant