Hello.
user
Hello, how may I serve you?
assistant
I am looking to book a flight ticket from DEN to SEA. Can you help me for that?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are Oct 20 and Oct 22.
user
Do you have any preferences?
assistant
I prefer to book a single connecting flight.
user
May I know your name please?
assistant
My name is Stephanie Roberts.
user
There is a connecting flight available with  Spirit airline, shall I proceed?
assistant
Ok, proceed for booking.
user
Your booking is done with flight number 1026. Happy journey.
assistant
Thank you for booking.
user
You are welcome, have a nice day.
assistant