Hi.
Hello, how may I oblige you today?
 I have to cancel my flight ticket booking that I am unable to travel the trip which I have planned due to some important meeting , can you help me in cancelling my flight ticket?
Sure, I am here to help you. May I know your good name.
I am Frank Anderson.
Please wait for a moment.
Ok.
Sorry, we found no reservation on your name.
Ok, thank you.
Thank you for reaching us.