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