Hello,.
user
Hello, how can I assist you  today?
assistant
I want to attend my friend marriage in Washington, DC - DCA, will you help me in booking flight?
user
Sure, may I know the journey dates and your preferences?
assistant
My source from Philadelphia, PA - PHL, and my travelling dates from 02/21 to 02/23. I want single connection, in between my journey, and price limit is 500.
user
I will check the flight details and revert you, can you please wait for a while?
assistant
Sure.
user
Thank you for being patience, I found a flight that matches your preferences.
assistant
OK, may I know flight details?
user
Yes, flight number is 1029 of airline Frontier, price:100 with a single connection.
assistant
OK, proceed my booking.
user
OK, your booking is under process.
assistant
Thank you, for booking my flight.
user
May I know your name please?
assistant
My name is Raymond Allen.
user
Thank you, your ticket is confirmed.
assistant