You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation as I am unable to travel due to some health issues, so please help me.

ASSISTANT: Sure, may I know your good name?

USER: Sure, Cynthia Green is my name.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation on your good name. It has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.