Hello.
user
Hello, how can I help you today?
assistant
Dennis Wilson here. I have a cultural program to attend, so could you help me to book a  ticket from DCA to HOU.
user
Sure, kindly share your travel dates.
assistant
My travel dates are July 16 and July 18.
user
Do you have connection limit?
assistant
I would like to board a direct flight with economy class.
user
Is there any other preference?
assistant
No.Thank you for asking.
user
Sorry to say, no flights found with your requirement. Please share your name.
assistant
Already mentioned.
user
Thanks for reaching us.
assistant
No issue, Thank you for your time.
user