You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Actually my trip got cancelled so that I want to cancel my recent reservation, can you help me?

ASSISTANT: Let me check your details, give me a moment.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Sure, I am Dennis Young.

ASSISTANT: Your reservation is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Most welcome.