Hello.
user
Hello, how may I assist you?
assistant
 I want to book a flight ticket from BOS to LAS. Could you help me in booking?
user
Ok, may I know your planned dates for this journey?
assistant
My travelling dates are July,21 and July,23.
user
Ok, please mention your connection preference.
assistant
I prefer one connecting flight.
user
May I know your name?
assistant
Myself Frank Campbell.
user
Flight-1020 is available for you with 1 connection by American Airlines. Can I book it?
assistant
Please proceed with the reservation.
user
Your ticket is booked, thank you for choosing us.
assistant
Thank you for reserving my flight ticket.
user
Have a nice day.
assistant