You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Pamela Campbell here. I want to have a short trip to Orlando, can you please help me to book a flight ticket from Austin?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I will travel on Nov 24th and 26th.

ASSISTANT: May I know your departure time and arrival time?

USER: I don't have any depart time preference but I do need to reach back in the afternoon.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: I will fly from AUS to MCO.

ASSISTANT: Do you require any specifications in your journey?

USER: I am looking for a direct flight.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: No worries, thank you for the information.

ASSISTANT: Thank you.