Hello.
user
Hello, how can I support you?
assistant
Patrick King here. I want to book a flight ticket from DCA to DEN. Can you help me in that?
user
Sure, we are here to help you. May I know your trip dates?
assistant
Thank you. My trip dates are June 17 to 19.
user
Do you need any halt in your journey?
assistant
I need halt.
user
Is there any class preference?
assistant
No.
user
Sorry to inform you that, there are no flights available with your request.
assistant
Ok, not an issue. Thank you.
user
Thank you for reaching us.
assistant