Hi. I am David Clark.
Hello, how can I be your helping hand?
 I want to visit flower show in Bayou Bend Gardens at Houston, TX-IAH.
Ok.
Can you book a connecting flight?
Sure, I will help you. May I know your price limit?
Make sure price should not exceed 200.
When do you scheduled to journey?
 My travel dates are 09/04 and 09/06.
Please provide your origin? We found a flight with Southwest airline and flight number is 1000 matches your requirements.
I will depart from Seattle, WA-SEA.
Shall I book it?
Ok, you can proceed.
Your reservation has been confirmed. Thank you for contacting us.