Hello.
Hello! tell me how may I assist you?
My name is Sandra Taylor,want to book a ticket.
OK,Sure! can you please tell me your journey codes & dates of your  travelling?
Sure, I want to travel from DFW to DFW. My preferable dates are 12/10 to 12/12.
May I know  your connections limit & price of your ticket?
Sure,there should be 1 connection with the price 200.
Sorry,Sandra no flights found on your requirements. Thank you.