You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Stephen Parker.

ASSISTANT: How can I assist you?

USER: I need to attend my friend marriage in Ebenezer Baptist Church at Atlanta, ATL. Can you please book a flight ticket on 02/28?

ASSISTANT: Please provide your boarding airport code.

USER: My boarding  point is New York, JFK.

ASSISTANT: May I know your return date?

USER: I would like to return back on 03/01.

ASSISTANT: Connecting flight can be booked with airline Southwest having price 100. Shall I book a ticket?

USER: Ok, proceed.

ASSISTANT: Ticket is booked with flight number 1020.

USER: Thank you for your service.

ASSISTANT: Thanks.