You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Garcia.

ASSISTANT: How may I assist you?

USER: I planned to attend for a wedding in ATL, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, may I know your travel dates?

USER: I prefer to travel on Oct 12 and Oct 14.

ASSISTANT: At what time do you like to travel?

USER: I would like to depart in afternoon.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: We found a economy flight on your details Spirit Airlines, flight number: 1007. Shall I book this ticket?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you.