You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me for booking a flight ticket to OAK in a normal cost airline?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My trip dates are on the month of Dec and preferred dates are 11 and 13.

ASSISTANT: Ok, can you please provide your source airport code?

USER: I am boarding from MCO.

ASSISTANT: Ok, do you have any specifications?

USER: I need a connected flight.

ASSISTANT: May I know your name please?

USER: Amanda Martinez here.

ASSISTANT: Sorry Amanda Martinez, there are no flights available on your requested dates.

USER: Ok, thanks for your service.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.