You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation due to some health issue. Can you help me?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am Elizabeth King.

ASSISTANT: Sorry King, we did not find any reservation on your name to cancel.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.