Hi,.
user
Hello, How can I help you?
assistant
I need to travel from Philadelphia to Chicago. PA-PHL to IL-ORD.
user
Can you please provide your travelling dates?
assistant
From 04/02 to 04/04.
user
May I know your name?
assistant
Price limit 1000. My name is Robert Martin.
user
There is flight which matches your requirements the flight details are flight number : 1029, flight name :  Southwest with 1 connection.
assistant
Can you let me know price ?
user
Price limit is 100.
assistant
Book a ticket.
user
Your booking is done.
assistant
Thanks for the assistance.
user
Thank you.
assistant