Hello.
user
Hello. How can I assist you at this moment?
assistant
I would like to book a ticket from SEA to DEN, can you please help me out?
user
Sure, I am happy to help you with that. Can I have your travel dates please?
assistant
I am travelling on these dates Sept 16th and 18th.
user
Do you have any specifications?
assistant
I prefer departure time in the afternoon.
user
Can I have your good name please?
assistant
Samantha Smith here.
user
Are  you looking for any connecting flight?
assistant
I prefer direct flight.
user
Sorry to inform you that no direct flight is available to you on your dates.
assistant
Ok no problem, thank you for your services.
user
Thank you for choosing us, have a good day.
assistant