Hi. I am Alexander Moore.
Hello, Moore how can I assist you at this pleasant evening?
 I am a science student in New York university, I want to visit National Museum of Natural History for my thesis, can you help me in booking a ticket from Las Vegas?
Ok, sure. I am gleeful to help you. Can you please let me know the Las Vegas nearest airport code of your journey?
I planned my trip from LAS as it is near to my place.
Could you please help me by providing your travelling dates?
My itinerary dates are 04/24 and 04/26.
Can you please let me know where is the National Museum located?
Well, it is located in Denver-DEN and it is my landing airport location.
Can you spare a minute? so that I can check a flight ticket for you.
Sure, I will stand by.
Moore, do you need any halt in between your journey?
I am comfortable with a connecting flight.
 I apologize for this inconvenience resulting that, I did not find any flights to reserve you a flight ticket in my agency circumstances.
No issue, thank you for checking.
Ok, thank you for opting our service. Have a nice day.