You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, can I know your name please?

USER: Thank you. Myself Nancy Allen.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, no issues. Anyway thank you for checking out.

ASSISTANT: Thank you for approaching us.