You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I want to cancel my reservation because of some personal issue. Can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while. May I know your name please?

USER: My name is James Wilson.

ASSISTANT: I cancelled your reservation successfully.

USER: Thank you.

ASSISTANT: Thank you for contacting us.