Hello, I am Thomas Baker.
Hello, How may I assist you?
I am planning for a vacation from Denver, CO-DEN on 08/26 to Houston, TX-IAH  on 08/28.
Can I proceed further to book a ticket?
Make sure the price limit is 200.
OK, Wait a moment please.
OK.
There is a flight available that matches your request. Flight number is 1028, airline: Southwest, with only one connection and price limit is 100. Can I book this flight ticket?
Sure, you can proceed.
Your ticket has been confirmed.
Thanks for confirmation.
Thank you.