Hi, I am Andrew Campbell.
user
Hello, how can I assist you?
assistant
I need to book a ticket to meet my brother's friend for attending an conference. Could you please help me in doing that?
user
Sure. Can you provide me preferable airport codes please?
assistant
My airport codes are ORD  and IAH.
user
May I know your trip dates please?
assistant
My travelling dates are 02/12 and return on 02/14.
user
Do you have any stop overs?
assistant
Yes, there  should be single stopover.
user
Ok, wait.
assistant
Sure.
user
Thanks for waiting we found Southwest airline with single stop over. Shall I proceed for booking fare of 100?
assistant
Before proceeding make sure that the price should be below 500.
user
Your ticket has been confirmed.
assistant
Thank you for your help.
user
Thanks for approaching us.
assistant