Hello.
Hello, how may I aid you today?
I want to book a flight ticket from DEN to HOU. Can you please help me in that?
Sure, please share me your trip dates.
I will start my journey on Nov 12 and return on Nov 14.
 Do you need direct flight or connecting flight?
I would prefer to travel in direct flight.
 For booking, we need your good name. Please mention it.
Janet Walker here.
May I know your class preferences?
I don't have any class preference.
 Sorry to say that, there are no flights available on the routes of your journey.
Ok, no problem.
Thank you for opting us.