Hello, I am Thomas Baker.
user
Hello, How may I assist you?
assistant
I am planning for a vacation from Denver, CO-DEN on 08/26 to Houston, TX-IAH  on 08/28.
user
Can I proceed further to book a ticket?
assistant
Make sure the price limit is 200.
user
OK, Wait a moment please.
assistant
OK.
user
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?
assistant
Sure, you can proceed.
user
Your ticket has been confirmed.
assistant
Thanks for confirmation.
user
Thank you.
assistant