You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Kenneth Brown. I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, I am here to help you. Please give me a moment to check your reservation status.

USER: OK.

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

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you reaching us.