Hello, myself Brandon Clark.
user
Hello, how may I assist you today?
assistant
I am planning to book a  flight ticket to ORD from PHL, can you please help me out?
user
Sure, let me know your journey dates?
assistant
Sure, my planned travelling dates are May 20 and 22.
user
May I know your connection limit?
assistant
Sure, I need 1 connected flight.
user
Is there any other restrictions?
assistant
Please make sure my depart time must be in afternoon.
user
Thanks for your details, there is no flight found on your journey routes.
assistant
It's ok, thank you for the information.
user
Thank you for opting us.
assistant