Hello.
Hello,may I know your name please?
My name is Pamela  Gonzalez.
Pamela,tell me how may I help you?
I have recently booked a flight ticket but due to some reasons I want to cancel my ticket. Please help me in cancelling process?
Sure,just wait a moment.
OK.
I am sorry there is no reservation found with your name to cancel.
OK. Thank you for your response.
Have a nice day.