Hello,.
user
Hello. How can I guide you?
assistant
I need to book a ticket from Chicago ORD to Dallas DFW to attend an sports ceremony.
user
Ok. May I know your travelling dates for further process?
assistant
My travelling dates are 06/30 to 07/02. Make sure that the ticket price should not be more than 200.
user
Let me know your name to book a ticket.
assistant
Book a ticket with the name George Lopez.
user
Thank you for waiting.
assistant
Sure.
user
You have no flight that matches with your information.
assistant
OK, that's no problem.
user
Thank you for connecting  us.
assistant
Thank you for helping me.
user