You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Brown here.

ASSISTANT: Joseph Brown , how can I aid you today?

USER: I would like to cancel my reservation as my meeting has been extended, can you please help me with that?

ASSISTANT: Sure, I am here to help you with that cancellation.

USER: Thank you. That.

ASSISTANT: Sorry to inform you that,  there is no active reservation found with your name in our records to cancel it.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a great day.