Hi, I am Carol Thomas.
user
Hello, how can I assist you?
assistant
I want to book a flight ticket to Houston with price under 500. Can you please help me with it?
user
Sure, I am here to help you. May I know when you want to travel?
assistant
My travel dates are 12/17 and 12/19.
user
Ok, please help me with your journey codes for further process.
assistant
Airport codes are DC-DCA and TX-IAH.
user
Wait a minute please.
assistant
Ok.
user
Thanks for your time, we found a flight with number 1013 and airline Southwest at a price of 100 with 1 connection. Shall I proceed?
assistant
Yes, you can proceed with booking.
user
Sure, your booking is done.
assistant
Thanks for the help.
user
Thank you for choosing us, have  a nice day.
assistant