You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, we are glad to help you. May I know your good name please?

USER: I am Brandon Jackson.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found on your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.