You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Dorothy Brown. I need a flight ticket from the airport DEN to ORD. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your planned dates?

USER: My travelling dates should be 12/06 and 12/08.

ASSISTANT: Do you have any specifications?

USER: Yes, please make sure that the connection limit is 1.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1006. Shall I book this ticket?

USER: Ok, please proceed with ticket booking.

ASSISTANT: Your ticket has been booked .

USER: Thank you for assisting me.

ASSISTANT: Thank you so much for choosing us.