Hello.
Hello, how may I help you?
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
Sure, I am willing to help you for this. May I know your name please?
Brenda Anderson.
Please wait for a while.
Ok.
Brenda Anderson, I found your reservation. Shall I cancel it?
Thank you for the help.
Your ticket is cancelled successfully.
Thank you for the service.
Thank you very much for contacting our agency.