Hi.
user
Hello.
assistant
I am David Carter.
user
How may I guide you?
assistant
I need to schedule my trip to Chicago for attending a business meeting. Can you please help me for booking the ticket from AUS to ORD?
user
Sure, can I know your preferable dates?
assistant
I will drop-off 11/21 and again I will be return back on 11/23.
user
 I found a flight 1008 of UA airlines matches with your preferences, can I proceed?
assistant
Sure, you can proceed for booking.
user
Your ticket is booked.
assistant
Thank you very much for booking the ticket.
user
Thank you, have a good day.
assistant