You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Margaret Young, can you help me to book a flight from AUS to IAD?

ASSISTANT: Sure, may I know your depart and return dates?

USER: My travelling dates are Jan 12 and 14.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a connection flight.

ASSISTANT: Do you have any other requirements?

USER: Please book a afternoon flight for my return ticket.

ASSISTANT: Ok, we found a Southwest airline, flight number: 1022, price: 100 with one connection. Shall I proceed to booking?

USER: Proceed with booking.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.