You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Have a concern regarding the flight booking from Atlanta, ATL to Orlando, MCO?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: Ok, please book for the dates 04/28 and 04/30 respectively.

ASSISTANT: May I know your name?

USER: Yes, please book on the name Brian Allen. Ok, please book a direct flight.

ASSISTANT: Sorry, no flights found on your requested travelling dates.

USER: Thank you for the information, I will make the journey in other way possible.

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