Hello.
user
Hello. How can I help you at this moment?
assistant
Do you deal in reservation of  flight ticket?
user
Yes, we are flight booking agency. May I know your name?
assistant
 I am looking for a flight on the route SEA to DEN, can you please find any airlines providing service on this route? Myself Eric Williams.
user
Yes,  when you are starting your travel?
assistant
I want to start my journey on 12/16.
user
When you are going to return?
assistant
My return will be on 12/18.
user
Sorry, no flights as per your travelling details.
assistant
That's ok, thank you.
user
Would you like to change your travel details.
assistant
No, I didn't planned for any other more.
user
Thank you for reaching us. Have a good day.
assistant