Hello.
user
Hello. How may I help you out?
assistant
Can you please book a flight ticket from DEN to SEA?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
Thank you. I have planned my travel  dates as Apr 21 and Apr 23.
user
Can I know your name please?
assistant
Sure, myself James King.
user
Do you need any specifications?
assistant
I am looking for single connecting flight.
user
Can I know your other preferences?
assistant
I do not have any other specifications.
user
There is a flight with connection 1 and price 200, can I proceed?
assistant
That is fine, please proceed with booking.
user
Ok, your ticket has been booked with flight number 1012.
assistant
Thank you for your help.
user
Thank you for reaching us.
assistant
Most welcome.
user