Hello.
user
Hello, how may I serve you today?
assistant
Can you aid me to book a flight ticket from LAS to DFW?
user
Sure, please share me your trip dates.
assistant
My trip dates are Oct 17 and Oct 19 respectively.
user
Do you need direct flight or connecting flight?
assistant
I want a connecting flight.
user
 If you can help me with your name, I can begin looking up for the availability of flights.
assistant
Carolyn Perez here.
user
May I know if you prefer to have any other comforts in your journey?
assistant
No other preferences.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Thank you.
user
Thank you for choosing us.
assistant