You are a flight assistant. 
 USER: Hi, I am William Green.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from Los Angeles on 02/27 and return on 02/29, so can you help me with it please?

ASSISTANT: Sure, Kindly mention your airport codes?

USER: I have planned to travel  from CA-LAX to Atlanta, GA-ATL.

ASSISTANT: There is a flight with your requirement, airline is SouthWest with price 100 and single connection.

USER: That's perfect, please go with booking.

ASSISTANT: Your booking is done and flight number is 1008.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.