You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. May I know your name?

USER: I am Nicholas Turner.

ASSISTANT: How can I amend you today?

USER: Please cancel my recent reservation.

ASSISTANT: Sure, I will help you in cancellation. There is no reservation found with your name in our database to proceed for cancellation.

USER: Thanks.

ASSISTANT: Thank you for consulting us.