Hi.
user
Hello. How may I help you?
assistant
Can you please book me a flight ticket from DEN to DCA?
user
Please provide your journey dates?
assistant
My journey dates are from Nov 8th to Nov 10th.
user
Do you have any preference?
assistant
I prefer an economy class to travel. I want a single connection.
user
May I know your name?
assistant
I am Stephen Hall.
user
Sorry, currently there is no flight for your requirement.
assistant
No problem.
user
Thanks.
assistant
Thank you.
user