You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Nelson.

ASSISTANT: How can I aid you?

USER: I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW. Could you please help me with booking a flight ticket on 09/08?

ASSISTANT: Sure. When would you like to return?

USER: I would like to return on 09/10.

ASSISTANT: Where would you like to start from?

USER: I want to start from Atlanta, GA-ATL.

ASSISTANT: We found a Spirit airline, flight number:1004 and the price is 100.

USER: You can proceed with booking.

ASSISTANT: Can I proceed it for booking? Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.