Hi.
Hello, how may I serve you at this moment?
Could you please book a flight ticket from IAH to LAS?
Sure, can you please share your journey dates?
My journey dates are Nov 21 and Nov 23.
In which class you prefer to travel?
I prefer a business class.
Do you have any connection limit?
I need  a single connecting flight.
Are there any more specifications?
No.
May I know your name please?
My name is Ashley Collins.
Sorry, there are no flights are available matching your preferences.
Not a problem, thank you for the information.
Thank you for approaching us.