You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: I would like to cancel my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, I am here to help you with cancellation.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: Myself Jennifer Jackson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there was no reservation found on your name to cancel it.

USER: Ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for choosing us.