You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please help me in cancelling my recent reservation.

ASSISTANT: Sure. Could you please let me know your name?

USER: Karen Martin here.

ASSISTANT: Please let me check details with your recent reservation.

USER: Sure.

ASSISTANT: Cancel reservation found.

USER: Thank you.

ASSISTANT: Your reservation is cancelled. Thanks.

USER: Thank you.