Hello.
user
Hello. How may I help you?
assistant
Mark Walker here. I want to attend a seminar regarding new trends in Agriculture. Can you please help me for booking the flight ticket?
user
On which dates you are willing  to travel?
assistant
My departure date is 04/07 and return date is 04/09.
user
May I know your airport codes?
assistant
My airport codes are from HOU and PHX. Make sure my price limit is 200.
user
There is a direct flight available for you. Can I proceed?
assistant
Make sure my connections limit is 1.
user
Sorry for 1 connection, there is no flights.
assistant
Anyway, thank you for the information.
user
Most welcome.
assistant