Hello.
user
Hello, how may I aid you?
assistant
Can you please help me in booking the flight ticket from  LAS to DEN?
user
Sure, may I know your itinerary dates?
assistant
My travel dates are 10/17 and 10/19.
user
Is there any airline preference for you?
assistant
I prefer to travel in normal cost airlines.
user
Do you need any break in your journey?
assistant
I need a single connection.
user
Do you have any other preferences?
assistant
No.
user
Sorry to inform you that, there are no flights available with your requirements.
assistant
Thank you and my name is Susan Taylor.
user
Thank you for choosing us.
assistant