You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I need to cancel my recent reservation, can you help?

ASSISTANT: Sure, I am here to help you with this.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Myself Karen Lewis.

ASSISTANT: Ok, wait for a mean while.

USER: Sure, I will be waiting.

ASSISTANT: There is a reservation found on your name and cancelled it successfully.

USER: Thank you for cancelling my reservation.

ASSISTANT: You are welcome.