You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you now?

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 glad to help you with that. May I know your good name to proceed further?

USER: Thank you. Myself Karen White.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we have not found any active reservation on your name in our records.

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

ASSISTANT: Thank you for opting us.