You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please cancel my recent reservation due to some health issues?

ASSISTANT: Sure, I am glad to help you. May I know your good name to proceed further?

USER: I am Christopher Thomas.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: There is no reservation found on your name in our database to cancel it.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for availing us.