Hello.
user
Hello, How can I assist you?
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 name?
assistant
Donald Walker.
user
Please wait a moment.
assistant
Ok.
user
Sorry, No reservation found on your name.
assistant
Not an issue, thank you for the information.
user
Thank you for availing us.
assistant