Hi.
Hello, How can I best serve you today?
Could you please book a flight ticket from SEA to DEN?
Sure, can you please mention your depart and arrival dates of your journey?
My trip dates are Dec 22 and Dec 24.
Do you have any specifications?
I need a connecting flight.
May I know if you prefer to have any other comforts in your journey?
I don't have any other specifications.
Can I know your good name to proceed further?
I am Joseph Baker.
Sorry, no flights are available in this route as per your requested dates.
Not  a problem, thank you for the information.
Thank you for choosing us.