You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Marry Lee here.

ASSISTANT: How can I help you today?

USER: I would like to meet my brother at Atlanta. Can you help me in booking a ticket from LAX to ATL?

ASSISTANT: Sure, I am ready to help you with that. Can I know your travelling dates?

USER: Ok, my planned travelling dates are from 12/18 to 12/20.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a direct flight with Spirit airline having airfare is 200. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved with the flight number 1003.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.