Hello, I am Justin Robinson.
Hello, How can I assist you?
Can you please help me to book a flight ticket from IAH - LAS?
Sure, May I know the travel dates?
My travelling dates are 10/09 to 10/11.
Please wait a minute.
 Sure.
Sorry, No flights found with your preferable dates.
No problem, thanks for your information.
Thank you for availing us.