Hello.
Hello, how may I assist you?
Can you help me in booking my flight ticket from LAS to JFK?
Sure, can you please mention your departure and arrival dates of your journey?
My trip dates will be July 21st to July 23rd.
Do you need any layover in between  journey?
I prefer a connecting flight.
Please let me know if you have any other specifications?
My depart time should be in the afternoon.
May I know your name please?
I am Emma Lee.
Thanks for sharing your details, we are unable to provide flight in between your journey routes.
Its ok, thank you.
You are most welcome.