Hello.
Hello, how may I help you today?
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
Sure, may I know your good name?
I am Benjamin Parker.
Ok, please wait for a minute.
Sure, take your own time,.
I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
That's ok, thank you for checking.
Thank you for opting us.