You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to book a flight ticket from ATL to LAX to meet my sister and collect my books.

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

USER: Sure, my travelling dates are Mar 8 and Mar 10.

ASSISTANT: Ok, do you have any specifications?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure.

ASSISTANT: May I know your name please?

USER: I am Kimberly Jackson.

ASSISTANT: Sorry Kimberly Jackson, there are no flights available on your requested dates.

USER: No worries, thank you for the information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.