You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Could you please help me with cancelling my ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can I have your name to proceed further?

USER: Sure, I am Joseph Brown.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, unfortunately no reservation found on your name.

USER: It's ok, thanks for checking my reservation status.

ASSISTANT: Thank you for reaching us.