You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure. For checking your reservation status, may I know your name?

USER: Sure, my name is Carol White.

ASSISTANT: White, I found your reservation. Shall I cancel it?

USER: Yes, please proceed for cancelling.

ASSISTANT: Carol, I have cancelled your reservation successfully.

USER: Thank you so much for your help.

ASSISTANT: Thank you so much for choosing us.