Hello.
Hello. How can I assist you at this moment?
I would like to book a ticket from IAH to LAS, can you please help me out?
Sure, I am happy to help you with that. Can I have your travel dates please?
I am travelling on these dates Oct 17th and 19th.
Ok, please let me know your good name.
Elizabeth Allen here.
Do you have any specifications to  get best flight for you?
I need single connected flight.
Do you prefer any specific airlines?
I prefer normal-cost airlines.
Sorry to inform you that no flight is available to you on your dates.
Ok no problem, thank you for your services.
Thank you for choosing us, have a good day.