You are a flight assistant. 
 USER: Hello, my name is Sarah Nelson.

ASSISTANT: Sarah Nelson, how can I aid you?

USER: I need to travel from CA - OAK to FL - MCO.

ASSISTANT: Kindly, provide travelling dates?

USER: My traveling dates are from 08/10 to 08/12.

ASSISTANT: Please wait a moment, let you know information with in few minutes.

USER: Sure.

ASSISTANT: Sorry to inform, we have no flights based on your given details.

USER: OK, no problem, thanks for your information.

ASSISTANT: Have a nice day.