You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to cancel my recent reservation due to cancel of my event. Could you please help me?

ASSISTANT: Sure,pleas provide  your good name?

USER: I am Mary Turner.

ASSISTANT: Thank you for providing your good name, we found a reservation on your name and it has been cancelled.

USER: Thank you for your assistance.

ASSISTANT: Thank you.