Hi.
user
Hello, how may I serve you today?
assistant
I am Donald Baker, willing to travel from Philadelphia on 04/17 to attend my friend's marriage and will return on 04/19. Can you book a ticket? The price limit I can afford is 200.
user
Sure, can you please share your connection limit?
assistant
I need one connecting flight.
user
Ok, also provide your journey codes for further process.
assistant
My travelling codes are PHL-DCA.
user
Thank you, no flight found  matching your details.
assistant
Ok, thanks for providing information.
user