Hi.
Hello. How can I help you?
Can you please help me with booking a flight ticket from DFW to LAS?
Sure,  I will help you. Can I know your good name?
My name is Susan Moore.
May I know your depart date and arrival dates?
My travel dates are Mar 27 and 29.
Let me know your connection limit.
I need a connecting flight.
Do you have any preferences?
I prefer business class.
Please, wait a minute.
Ok.
I am sorry, there were no flights available that matches your requirements.
Ok, no issues.
Thank you for approaching us.