You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket to attend Auto Show at Atlanta, GA - ATL. Can you please help me with the flight booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My scheduled dates are from 11/16 to 11/18.

ASSISTANT: Can you share your airport codes?

USER: I would like to travel from Washington, DC - IAD.

ASSISTANT: There is a flight with number 1000 in airline Southwest. Can I book it?

USER: Please proceed with the booking.

ASSISTANT: May I know your name?

USER: I am Michael Jackson.

ASSISTANT: Your ticket is confirmed, happy journey.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.