You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Betty Parker is here. The annual celebration of James Joyces's masterpiece in Orlando, MCO. I have to book a ticket.

ASSISTANT: Sure, may I know your travel dates?

USER: This event is on 06/16. So I have to  return  on 06/18.

ASSISTANT: Can you please share me your origin airport code?

USER: To attend this event, I have to start my journey from DFW.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1012.

USER: Ok.

ASSISTANT: Shall I book this ticket?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.