Hello, I am Matthew Smith.
Hello, how may I oblige you today?
I want to cancel my reservation as my project got ramp down, Can you please cancel my reservation?
Sure, I am gleeful to help you. Please wait for a minute, I will check and let you know the status of your reservation.
Sure.
Thank you for waiting, sorry to inform you that there were no reservation found under your name in our airline database.
 Ok, may be I have done with some other airline. Thank you for your information.
Thank you for choosing our airlines. Have a good day.