Hello.
user
Hello. What can I do for you?
assistant
I would like to book a ticket from BOS to IAD, can you please help me out?
user
Yes, I am here to help you to book a flight ticket. Can you please send me your travel dates?
assistant
I am travelling on these dates Aug 13th and 15th.
user
Ok, do you prefer a connecting flight or a direct flight to travel?
assistant
I need single connected flight.
user
Do you have any specific timings to depart and return?
assistant
I prefer departure time in the evening.
user
What is your name?
assistant
Thomas Nelson here.
user
There is a connecting flight in a Delta airlines which costs 100 and the flight  departing in the evening and returning in the afternoon. Can I book it?
assistant
Ok, you can proceed.
user
Ok, I have booked your ticket with the flight-1008.
assistant
Thank you for your services.
user
Have a nice journey. Thank you for contacting us.
assistant