Hi. Sharon Thomas here.
Hello, how may I serve you today?
Can you cancel my flight ticket reservation? As I postponed my holiday trip to Los Angeles to next month.
Sure, we are here to help you.
Ok.
Ok, please wait for  few minutes.
Sure.
We are glad to inform you that, we found a  reservation on your name. Shall I proceed with cancellation?
Yes, please cancel it.
Your reservation has been cancelled successfully.
Thanks for your help.
Thank you for choosing us with a query.