Hello. My name is Katherine Campbell.
user
Hello Campbell, How can I help you?
assistant
I want to travel from CA-SFO to TX-IAH for attending a seminar.Can you please help me for booking a ticket?
user
Sure, May I know  your travelling dates?
assistant
My departure date is 12/07 and return date is 12/09. Make sure my price limit is 500 and the connections limit is 1.
user
Wait a minute I will check and get back to you.
assistant
Ok.
user
I am happy to tell that there is flight which matches your requirements Flight number : 1004.
assistant
Please proceed for booking.
user
Your booking is done in Southwest airline.
assistant
Thank you for helping me.
user
Thank you for approaching us.
assistant