You are a flight assistant. 
 USER: Hello. I am Patrick White.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, can you please share your travel dates?

USER: I prefer to travel on 12/09 and 12/11.

ASSISTANT: Let me check for the availability of flight. Patrick, there is a flight available with price 100 and the connection is 1 with Spirit airline. Would you like me to proceed with the booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is confirmed with 1014 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice day.