Hello.
user
Hello, what services are you seeking from us?
assistant
Can you please help me to book a flight from BOS to IAD?
user
Sure, can I know your good name please?
assistant
I am Frank Hernandez.
user
 When you are willing to travel?
assistant
I want to depart on Apr 21 and need to return on Apr 23.
user
Do you need direct flight or connecting flight?
assistant
I need a connecting flight.
user
 Would you let us know if you have any other preferences?
assistant
I do not have any other specifications.
user
There is a connecting flight 1020 in American Airlines at the price of 100 with economy class. Shall I proceed?
assistant
Ok, please proceed.
user
Your booking is done.
assistant
Thank you.
user
Thank you for connecting with us.
assistant