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