Hi.
user
Hello, how can I help you today?
assistant
I am Michael Williams. Please book a direct flight from DEN to LAX.
user
Sure, kindly share your travel dates.
assistant
My travelling dates are 12/12 and 12/14.
user
Do you have any connection preference?
assistant
  I need a direct flight.
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry to say, no flights found with your requirement.
assistant
That's ok, thank you for the response.
user
Thanks for reaching us.
assistant