You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, I am mirthful to help you with that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Carol Young.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no reservation found on your name in our database to cancel.

USER: Ok, thank you for the information.

ASSISTANT: Most welcome, thank you for reaching us. Have a great day.