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: May I know your name to check the status?

USER: I am Nancy Green.

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

USER: Its ok, thank you.

ASSISTANT: Thank you for opting us.