You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name, Please?

USER: I am William Rodriguez want to spend a vacation with my cousins at Oakland. My travelling dates are 02/14 and 02/16. Can you book a ticket?

ASSISTANT: Sure, We can help you to book a ticket. May I know your airport codes, Please?

USER: I will board from FL-MCO to CA-OAK.

ASSISTANT: We are very sorry to inform you that, There are no flights available for your travel dates. Thank you, For making an inquiry with us regarding ticket booking. Have a nice day.

USER: Ok, thank you for your support.