You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: George Collins here. I jus want to cancel my previous reservation, can you please help me with that?

ASSISTANT: Sure, I am here to help you with that. Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for consulting us.