You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, I am here to help you. May I know your name to check your reservation status?

USER: Myself Steven Lee.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for reaching us.