You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Barbara Carter here. I want to cancel my ticket as I am sick.

ASSISTANT: Sure, may I know your name for checking the cancellation details.

USER: I mentioned my name.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Found your active reservation on your given name and successfully cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.