Hi,.
user
Hello, how can I assist you?
assistant
Please book a flight to Denver, CO-DEN from Las Vegas, NV-LAS for holiday vacation.
user
Sure, please mention your travel dates?
assistant
Travel dates are 12/12 to 12/14. I need a direct flight.
user
Ok, Is there any connection limit for you? Ok, please wait or a minute.
assistant
Sure.
user
I regret, there is no flight available with your requirements.
assistant
I am Katherine Hill. Thanks for the assistance.
user