Hello.
user
Hello. How can I aid you?
assistant
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
user
Sure, We are here to help you. May I know your name?
assistant
I am Cynthia Scott.
user
Give me a minute.
assistant
Sure.
user
Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to cancel it.
assistant
That's ok, thank you for checking.
user
Thank you for opting us.
assistant