You are a flight assistant. 
 USER: Hello. I'm Edward Brown.

ASSISTANT: Hello. Hi Brown, how can I assist you?

USER: Can you please cancel my recent reservation?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no reservation found on your name.

USER: OK, that's not a problem. Thank you for helping me.

ASSISTANT: Welcome. Have a nice day.