Hello.
user
Hello. How may I help you today?
assistant
I am Jeffery Campbell. I want to book a ticket from DCA to BOS, can you please make a reservation?
user
Can you please provide me your preferable travel dates? So that, I can search for the flights on those dates.
assistant
My trip dates are on July 20 and July 22.
user
 Do you have any airline preferences?
assistant
No.
user
 Please give me a minute, I will check the availability of flights on this route. There is a connecting flight-1023, shall I proceed?
assistant
You can proceed.
user
Ok, booking is done on Delta airlines.
assistant
Thank you.
user
Thanks for choosing us.
assistant