Hello,.
Hello. How can I help you?
I am Margaret Perez. Can you help me in booking a flight ticket from LAS to IAH?
Sure, I am happy to help you with the ticket booking. Can you please provide me your trip dates?
I want to travel on 12/15, and need to catch return flight on 12/17.
Ok, please give me a minute. In the meanwhile, tell me if you have any preferences?
I need a connecting flight.
Ok, there is a flight which is matching to your requirement in the United Airlines and the ticket cost is 100. Can I proceed with  the ticket booking?
Proceed with the booking.
Ok, I have booked your ticket with the flight number 1008.
Thanks for the help.
Thank you for approaching us.