You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: I am Brain Hall.

ASSISTANT: Just a moment, let me check your reservation status in our records.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to cancel.

USER: Its ok, thank you.

ASSISTANT: Thank you very much for approaching our agency.