Hi, I am Mark Smith.
Hello Mark Smith, how may I guide  you?
I am planning to visit Korean war veterans memorial in Washington, DCA. Can you help me to book a connecting flight?
Sure, I am here to help you with the ticket booking. Can you please tell me your source airport code?
My source is from Boston, BOS.
Ok, please tell me your preferable travel dates.
My trip dates are Feb 15 and Feb 17.
Ok, please let me know your class preference.
I am comfortable with any class.
Ok, there is a flight in the JetBlue airline which is an economy class flight with the connection limit 1 and  the ticket fare is 100. Can I proceed to book the ticket?
You can proceed.
Ok, I have booked your ticket with the flight number 1006 and the flight is departing  in the afternoon time. Have a safe flight.
Thanks for your kind service.
You are welcome. Thank you for approaching us.