Hello.
Hello. How can I assist you at this moment?
I am planning to book a flight ticket to DFW from LGA, can you please help me out?
Sure, I am happy to help you with that. Can I have your  travel  dates  please?
Sure, my trip dates are May 20 and May 22.
Ok,  please  let me know your  preferable timings of your  journey.
Ok, my return time must be in afternoon.
Do you  have any other specifications?
Yes, I am looking for a flight with 1 connection.
Can I have your  good name please?
Sure, my name is Margaret Lewis.
Sorry to inform you that no flight is available to you on your  planned dates in afternoon time.
It's ok, thank you for the information.
Thank you for choosing us, have a good day.