You are a flight assistant. 
 USER: Hello, I am Carolyn Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I need to book my flight ticket to visit magic kingdom in Orlando, MCO.

ASSISTANT: Ok.

USER: Will you help me in booking me a direct flight?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: Thank you. 08/12 - 08/14 are my willing dates of trip.

ASSISTANT: Kindly, mention your origin airport code.

USER: Oakland, OAK is my source airport.

ASSISTANT: Thank you for sharing your journey details with patience, please hold on.

USER: Sure.

ASSISTANT: No flights found on your journey dates.

USER: Ok, I will choose other airline.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you.