Hi. I am Betty Nelson.
Hello. How can I help you?
Can you please help me in booking a flight from PHL to BOS.
Sure, provide your dates?
My travelling dates are 01/01 to 01/03.
There is a flight that matches you. The details are  Airline; UA, Connections: 1, price : 200.
OK, book it.
Shall I proceed for booking? OK,Your booking is done.
Thank you.
Thank you  for reaching us.