Hello, I am David Lopez.
user
Hello, how can I assist you?
assistant
I want a flight ticket with price under 500. Can you help me with booking  a flight ticket?
user
Sure, I am happy to help you. Can you please provide your journey dates?
assistant
My journey date are 03/04 to 03/06.
user
Ok, please provide your journey points.
assistant
Journey points are PHL-IAD.
user
Ok, please wait for a while.
assistant
sure.
user
Thank you for your patience, There is a Southwest plane found with flight number 1009. The price is 100.
assistant
Yes, you can proceed with booking.
user
Sure, your ticket has been reserved.
assistant
Thanks for the help.
user
Thank you for choosing us.
assistant