You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: Will you help me in booking the flight ticket from AUS to IAD?

ASSISTANT: Sure, let me know your journey dates?

USER: My travelling dates are Aug 09 and Aug 11.

ASSISTANT: Do you prefer direct for connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: Myself Kenneth Smith.

ASSISTANT: Is there any other specifications?

USER: My return time must be in evening.

ASSISTANT: We found a Spirit airline with flight number 1012 and price is 100 and class is economy with one connection. Shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.