You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

USER: Can you please help me to cancel my reservation on the name of Brian Lopez?

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you for accepting my request.

ASSISTANT: Thanks for providing your name, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name to cancel it.

USER: Not a problem, thank you.

ASSISTANT: Thank you for availing us.