You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. May I know your name please?

USER: I am Ashley Martinez.

ASSISTANT: How can I serve you today?

USER: I want to visit Flower festivals at Atlanta, GA - ATL. Can you help me in booking a flight ticket on 11/25?

ASSISTANT: Sure, when you want to return from Atlanta?

USER: I would like to return on 11/27.

ASSISTANT: How much you can afford for your journey?

USER: I can afford up to 500 only.

ASSISTANT: Ok, let me know your departure airport code?

USER: I want to fly from Washington, DC - IAD.

ASSISTANT: There is a flight with one connection from SouthWest airline and flight number 1023.

USER: Please reserve me a flight ticket.

ASSISTANT: Your flight ticket has been booked with fare of 200.

USER: Thank you for your response.

ASSISTANT: Thanks for choosing us, have a nice day.