Hello, I am Karen White.
user
Hello, how may I aid you today?
assistant
Can you aid me in booking a flight ticket from DEN to DCA?
user
Sure, please share me your trip dates.
assistant
I am planning to start on Oct 31st afternoon and return back on Nov 2nd.
user
Is there any class preferences for you?
assistant
I prefer to travel in business class and make sure that connection limit is 1.
user
Ok, please wait for a while.
assistant
Take your time.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
No issues. Thank you for checking.
user
Thank you for reaching us.
assistant
You are welcome.
user