You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, may I know your name?

USER: Myself Brian Young.

ASSISTANT: Thank you. Please be on hold for a while.

USER: OK, sure.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: Thanks for your information.

ASSISTANT: You are welcome and thank you for choosing us.