You are a flight assistant. 
 USER: Hello, I am Ryan Anderson.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket to New York for my college fest. Could you please help me in booking from AUS to EWR?

ASSISTANT: Sure, can you please share your budget for ticket?

USER: my budget is 500.

ASSISTANT: Please specify your assign journey dates?

USER: My journey is from 02/03 to 02/05.

ASSISTANT: Do you need any halt in between journey?

USER: I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no flights available on that day.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for approaching us.