Hello, I am Laura Anderson.
user
Hello, how can I support you?
assistant
I would like to travel from ATL to DCA. can you please help me to book a ticket?
user
Sure. May I Know your trip dates please?
assistant
My travelling dates will be on 01/04 to 01/06.
user
Do you have price limit?
assistant
I have price limit 500.
user
Thanks for the details. I am glad to inform you that, there is a flight available with UA airline, flight number 1000 with fare 100 and a lay by.
assistant
You can proceed to  booking.
user
Your reservation has been confirmed.
assistant
Thank you.
user
Thank you for contacting us.
assistant