Hello.
user
Hello, how may I assist you for the day?
assistant
I am planning to visit Austin and visit the Barton Spring pool with my friends. Can you help me to book a flight with a halt?
user
Sure, when your planning to travelling?
assistant
I will travel on 04/18 and return on  04/20.
user
Please share your travelling airport codes?
assistant
My source point is Los Angles, CA-LAX and destination is Austin, TX-AUS.
user
May I know your good name?
assistant
My name is William Garcia.
user
I regret that there are no flight found with the given details.
assistant
Ok, thank you for the information.
user
Thank you for making us to serve you.
assistant