You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, I can help you with that. May I know good name please?

USER: My name is Carolyn Harris.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Carolyn Harris, I found your reservation and I have successfully cancelled it.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.