You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can you please tell me how can I assist you?

USER: I am Kenneth Wilson, want to cancel my recent reservation due to some personal problem. Will you please help me?

ASSISTANT: May I know your name? Ok, I can help you out with that.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Oh! It's ok, no issue.

ASSISTANT: Thank you for reaching us.

USER: Anyway thank you for your help.