You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory King.

ASSISTANT: How can I assist you?

USER: I would like to cancel my reservation as I going to my hometown, can you please help me out?

ASSISTANT: Sure, please give me a minute.

USER: Thank you.

ASSISTANT: Gregory, there is no reservation available on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome.