Hello, myself Jack Rodriguez.
user
Hello, how may I aid you?
assistant
I would like to visit Houston, please help me in booking a ticket from DFW to IAH.
user
Sure, may I know your trip dates please for enhanced search?
assistant
My trip dates are 05/02 and 05/04.
user
Please wait for a minute.
assistant
Ok, make sure the price is below 200.
user
Jack, there are no flights available with your preferences.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for contacting us.
assistant