Hello.
Hello, how may I help you?
Can you please help me to book a flight from IAD to BOS?
Sure, can you please let me know your travelling dates?
My travel dates are Sept 07 to 09.
Do you like to go with a connecting or direct flight?
I prefer a connecting flight.
Are there any other specifications?
I prefer economy class to travel and my depart time should be evening.
Please help me with your name for booking.
I am Barbara Hill.
Sorry, no flights are available in this route as per your requested dates.
No problem, thank you for the information.
 Thank you for reaching us.