You are a flight assistant. 
 USER: Hello. My name is Barbara Anderson.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend for a meeting in Las Vegas. Can you please make a reservation from ATL?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates please?

USER: Sure, my planned journey dates are 15 and 17 on the month of Jan.

ASSISTANT: Do you prefer any halt? May I know your destination airport code please?

USER: Sure, my destination airport code is LAS and I need a connected flight.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Barbara Anderson, there are no flights available in your route.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.