You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you?

USER: I have planned a two days trip for Las Vegas, to visit MGM Grand. Can you aid me in booking flight ticket with a stopover?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Could you please let me know your airport codes?

USER: I want to board from New York, NY - LGA, to reach NV - LAS Las Vegas.

ASSISTANT: When are you willing to travel?

USER: I am willing to travel on 11/27 & return on 11/29.

ASSISTANT: Ok, just wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately there are no connecting flights found with your requirements.

USER: Ok, no problem.

ASSISTANT: May I know your good name for documentation purpose?

USER: Thanks for your kind information. I am Larry Williams.

ASSISTANT: Thank you for choosing us. Have a great day.

USER: Thank you.