Hello, I am Kimberly Collins.
user
Hello, how may I address you today?
assistant
I want to book a direct flight. Could you please help me?
user
Sure, where do you want to go?
assistant
I want to visit Brooklyn walking tour at New York, NY-EWR from Denver, CO-DEN.
user
On what dates would you like me to book a flight ticket?
assistant
I need to travel on 08/23 and return on 08/25.
user
Sorry for the inconvenience, unfortunately no flights are available with your given details.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant