Hi.
Hello, How can I best serve you today?
Could you please help me to book a flight ticket from OAK to IAH?
Sure, can you please mention your depart and arrival dates of your journey?
My trip dates are Mar 19 and Mar 21.
Do you like to go with a connecting or direct flight?
I need a single connecting flight.
Can I know your good name to proceed further?
I am Melissa Wilson.
 There is a flight in United airlines with the ticket price of 200 having one connection and economy class. Can I proceed to booking?
Ok, proceed.
Your booking is confirmed and the flight number is 1023.