You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Could you help me in cancelling the recent reservation.

ASSISTANT: Sure, can I know your name please?

USER: Yes, my name is Larry Phillips.

ASSISTANT: Give me a moment.

USER: OK,sure.

ASSISTANT: Your reservation is cancelled. Thank you.

USER: OK,thank you.