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