You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Green.

ASSISTANT: Green, how can I aid you today?

USER: I am planning to go for a round trip from ATL, can you please help me out?

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

USER: My planning dates are from 05/01 till 05/03.

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

USER: Ok, take your time.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1013 flight number.

USER: Thank you for your service.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.