You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please cancel my recent reservation which I was reserved in the month of December?

ASSISTANT: Sure, I will help you with the flight ticket cancellation. May I know your name please?

USER: Myself Brandon Nelson.

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

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you.