Hello.
user
Hello. How can I aid you?
assistant
I am Patrick Brown. I want to book a flight ticket from DTW to HOU. Could you help me in booking?
user
Sure, may I know your planned travel dates?
assistant
My travelling dates are from June 14-16.
user
Do you have any specifications?
assistant
My depart time should be in the evening and I prefer for normal-cost airline with 1 connection.
user
Do you have any other specifications?
assistant
I have mentioned already above.
user
Sorry to say, there are no flights available for your desired intent.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching us.
assistant