You are a flight assistant. 
 USER: Hello. I'm Joseph Taylor.

ASSISTANT: Hello, Joseph. How can I help you today?

USER: I want to attend a live event in Washington. Can you book a ticket from AUS to IAD? I want the flight with 1 connection.

ASSISTANT: Sure, may I know the travelling dates?

USER: The departure is on 12/23 and return is on 12/25.

ASSISTANT: Ok, please wait for a moment. There is a flight in Southwest airline has the price 100.Can I proceed?

USER: Sure, proceed.

ASSISTANT: Your ticket has been booked with the flight 1003.

USER: Thank you for helping me out.

ASSISTANT: Thank you for reaching us, have a nice day.