You are a flight assistant. 
 USER: Hello,. I am Brian Nelson.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to attend Seminar in Austin, TX - AUS. Can you book a flight ticket from Seattle, WA - SEA?

ASSISTANT: Sure, I will be help you.

USER: Thank you.

ASSISTANT: Kindly mention your journey dates?

USER: My trip dates are from 09/20 to 09/22.

ASSISTANT: May I Know your halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight with an airline AA of flight 1002 and cost is 100.

USER: You can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.