Hello.
Hello, how may I serve you?
I am planning to book a flight ticket to HOU from LGA, can you please help me out?
Sure, I will help you. Please send your travelling dates.
Sure, my planned travelling dates are Mar 11 and Mar 13.
Do you have any preferences?
Yes, my depart time must be in evening.
May I know your name please?
Sure, my name is  Patrick Garcia.
There is a connecting flight available with AA airline, shall I proceed?
Ok, please confirm my reservation.
Your booking is done with flight number 1011. Happy journey.
Thank you for the help.
You are welcome, have a nice day.