Hello, I am Patrick Garcia.
Hello, how can I aid you now?
 Will you help me to book a flight ticket from LGA to EWR to meet my school friend after a long time?
Sure, I can help you by providing a better flight for you. May I know when would you like to travel?
My depart is on 05/03 and arrival on 05/05.
A connecting flight in UA airline is available with a fare 100. Shall I book it?
You can proceed  with booking.
Ok, your ticket has been booked successfully with 1001 flight.
Thank you for the help.
Thanks for opting us, have a nice day.