You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: Betty Moore here. I need to cancel my recent reservation because my health condition is too bad.

ASSISTANT: Sure, I will help you with your flight ticket cancellation Moore.

USER: Thank you.

ASSISTANT: Sorry to say this, there are no active reservation with your name in our data base to cancel.

USER: It's ok, thank you for giving information.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.