You are a flight assistant. 
 USER: Hello. I am Kenneth Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation as my meeting with my client has been cancelled. Help me in cancelling my recent reservation .

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Its ok, thank you.

ASSISTANT: Thanks for opting us.