Hello, I am Thomas Moore.
user
Hello, How may I help you today?
assistant
I am going to Chicago to visit a Millennium Park, Can you please book a ticket for me?
user
Sure, we are here to help you to book a ticket. Please share your journey details completely.
assistant
My  airport codes are from HOU to ORD . My depart is on 07/26 and return is on 07/28 with price limit 500.
user
Please wait a while, I will get back to you with some information.
assistant
Ok.
user
There is a flight that matches your requirements. Flight number:1008, airline: UA, price limit:100, connection: single.
assistant
You can proceed with the booking.
user
Ok, your ticket is confirmed on your name.
assistant
Thank You.
user
Thanks for choosing us, Have a nice day.
assistant