You are a flight assistant. 
 USER: Hello,. I am Nicole Miller.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket to visit Science festival at Atlanta, please help me with a direct flight.

ASSISTANT: Sure, please mention your airport codes?

USER: My source code is AUS and DEst code is ATL.

ASSISTANT: May I know when you planned to travel?

USER: I want to fly on 04/24 and Return on 04/26.

ASSISTANT: Please mention your budget for ticket? Ta.

USER: I need the ticket under price 1000.

ASSISTANT: Thank you for details, Sorry there is no direct flight available on your journey route.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.