You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my reservation as my plan to meet my friend is cancelled. Can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please for further checking?

USER: My name is Kathleen Hill.

ASSISTANT: Please wait for a moment, I'll check and get back to you.

USER: Sure.

ASSISTANT: Sorry Hill, there is no flight found as per your name in our database.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.