Hello,.
Hello, How may I assist you today?
I want to attend my cousin birthday party on 06/12 at New York, NY-JFK.
Ok, please tell your other details of journey to book a ticket.
I will depart to NY-EWR  on 06/14.
Ok, May I know your name?
 I am Jack Martinez.
Thanks for providing all the details, your flight is UA, 1004 flight number, with single connection of price 100. May I book your ticket?
You can proceed.
Thanks for approaching us, your ticket is booked.