Hello, I am Sarah Lopez.
user
Hello, how may I assist you for today?
assistant
I need to book a flight ticket from TX-HOU to TX-AUS, Can you help me for booking a flight ticket?
user
Sure, may I know your journey dates?
assistant
I would like to travel from 04/17 to arrival on 04/19.
user
Wait a while, I will be back and revert you. No flights found with your data. Thank you for choosing us.
assistant
Thanks for your information.
user
Have a great day.
assistant