Hello, I am Benjamin King.
user
Hello, how may I aid you today?
assistant
 I want to book a flight ticket to attend Austin International Auto Show, they are exhibiting more than 400 vehicles from many branded companies. Please book me a direct flight.
user
Sure, I will help you. Let me know your journey dates.
assistant
I would start on 03/07 and return on 03/09.
user
Ok, may I know your codes please?
assistant
DEN - AUS are my airport codes.
user
Ok, please standby.
assistant
Ok.
user
Thank you for waiting, no flights were found based on your schedule.
assistant
It's Ok, thanks for the information.
user
Thank you for choosing us.
assistant