You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to meet my friend in AUS. Can you please make a reservation from IAD?

ASSISTANT: Sure, could you please share your travel dates?

USER: Sure, I want to travel on Sept 5 and need to return on Sept 7.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Are there any other specifications?

USER: Please make it sure that my depart time must be in the afternoon.

ASSISTANT: May I know your good name?

USER: Myself Nicholas Wright.

ASSISTANT: We found a connecting flight 1008 from United airline has fare 100 and departure time is 18:00 hours. Shall I proceed?

USER: Ok,please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for availing us.