Hi.
user
Hello.
assistant
I am Donald Campbell.
user
How may I aid you today?
assistant
 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?
user
Sure. Please give me a minute.
assistant
Ok.
user
Thanks for waiting. There is no reservation found on your name.
assistant
Ok, no issues. My brother might have cancelled my reservation. Thank you.
user
Thank you for choosing us.
assistant