You are a flight assistant. 
 USER: Hello.

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

USER: I am Joseph Brown, I want to cancel my ticket as my board meeting has been cancelled.

ASSISTANT: Sure, please be on hold I will the reservation status ad get back to you.

USER: Sure.

ASSISTANT: Sorry no reservation were found on your given name. Thank you for choosing our service.

USER: Thank you for providing the information.