Hello.
Hello, how can I aid you for today?
I am looking to book a  flight ticket from DCA to BOS. Can you help me for that?
I am here to help you about that. Can you please provide your planned dates of journey?
My travelling dates are Dec 17 and Dec 19.
Do you need any connecting flight for your journey?
No.
Can you please provide your name for further proceeding?
My name is Sharon Wright.
Do you need any other requirements for your journey?
My depart time is evening.
Sorry to say this Sharon Wright, there are no flights to your region on your planned dates of journey.
That's ok, thank you for checking.
You are welcome, thank you for reaching us.