You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for the day?

USER: I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, I am Ronald Perez.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Ronald Perez, there is no reservation found on your name.

USER: Ok, no problem. Thank you for your valuable help.

ASSISTANT: Thank you for choosing us, have a nice day.