You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, May I give assistance to you?

USER: I just want to cancel my reservation, due to some health issue.

ASSISTANT: Ok, please help me with your name?

USER: Sure, I am Angela Parker.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is no reservation on your specified name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks for approaching us.