Hello.
user
Hello, how may I serve you today?
assistant
 I am Jerry Thompson. I have an appointment with doctor at Los Angeles,NV-LAX. Can you book a connecting flight?
user
Sure, may I know your other airport code?
assistant
I will depart from Austin, TX-AUS.
user
Do you have any price limit?
assistant
Make sure price should not exceed more than  200.
user
Let me know your travelling dates.
assistant
My travelling dates are 05/18 and 05/20.
user
Please wait for a while.
assistant
Ok.
user
There is a flight with airline:AA, flight number:1013, price 200, 1 connection. Shall I proceed?
assistant
You can proceed.
user
Your ticket has been confirmed.
assistant
 Thank you for booking.
user
Thank you.
assistant