You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your good name, please?

USER: Myself James White.

ASSISTANT: Nice to meet you James. What type of help can I do for you?

USER: I want to cancel my reservation please help me.

ASSISTANT: Sure James. Please wait for a minute, I will check the details. James, your reservation has been cancelled successfully.

USER: Thank you so much for helping me.

ASSISTANT: It's my pleasure.