You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Myself Angela Walker. I want to cancel my flight ticket. Can you please help me with that?

ASSISTANT: Sure, I will help you in flight ticket cancellation.

USER: Thank you for your positive response.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you.