Hello.
user
Hello, how may I assist you now?
assistant
Can you please help me in booking the flight ticket from DEN to EWR?
user
Ok, may I know your planned dates for this trip?
assistant
My travel dates are Mar 13 and Mar 15.
user
Do you need a direct flight?
assistant
 I am willing to travel in a single connecting flight.
user
May I know your good name?
assistant
Michael White.
user
I am very apologetic to tell you this information but there are no flights currently available for your trip.
assistant
Not an issue, thank you for the information.
user
Thank you for consulting with our services. Have a nice day.
assistant