You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My holiday vacation has been cancelled.Can you please help me for cancelling the recent reservation?

ASSISTANT: Sure, may I know your good name please?

USER: Sure, my name is Benjamin Turner.

ASSISTANT: Sorry Benjamin, there is no reservation found on your name to cancel your reservation.

USER: Ok, It's fine. Thank you for your information.

ASSISTANT: Thank you for consulting us.