Hello.
user
Hello, how may I help you?
assistant
Can you please make a reservation from DCA to DEN?
user
Sure, may I know your trip dates?
assistant
My journey dates are on Oct 13th and 15th.
user
Do you have any other requirements?
assistant
I need a direct flight.
user
Can I know your name?
assistant
My name is Paul Wilson.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
Ok, no problem. Thank you.
user
Most welcome.
assistant