Hello.
user
Hello. How can I aid you today?
assistant
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
user
Sure, I am here to help you with that. May I know your name please?
assistant
David Gonzalez.
user
Please wait for a while, let me check your previous reservation status.
assistant
Ok.
user
Thank you for waiting. There is no active reservation found on your name in our database to cancel.
assistant
Ok, thank you for the information.
user
Thank you for reaching us, have a great day.
assistant