You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Scott Parker. I would like to attend a workshop at Washington, can you please help me to book a flight ticket from ATL to IAD?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my desired travel dates are June 07 and June 09.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1004 in airline Spirit, the fare is 100 in economy class. Can I book it?

USER: Ok, please book.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.