Hello,.
Hello, how can I serve you?
I am Gregory Lopez, I want to attend my sister birthday party, please help me for booking a flight ticket.
OK,may I know your travelling dates?
My departure day is 04/20, return day is 04/22.
OK, may I know your airport codes?
And my source and destinations are FL-MCO, TX-IAH.
OK, can you wait for while I will check revert you.
OK sure.
Thanks for waiting. I have found a flight that matches your requirement. Flight details are flight number: 1005 of UA airlines.
May I know the price?
Sure, there is a connection between your journey  and price is 200.
OK, you can proceed with booking.
OK, your booking is under process. Your ticket has been confirmed.
OK, thanks for your service.
Thank you for connecting us. Have a great day.