You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I just want to cancel my flight reservation as I am sick, please help me out.

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

USER: Joseph Perez here.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Perez, there is no reservation found as per your name to cancel it in your database.

USER: Not an issue. Thanks for checking.

ASSISTANT: You are welcome.