You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please help me out in booking the ticket from DEN to ATL.

ASSISTANT: Sure, may I know travelling dates?

USER: My trip dates will be Apr 13 to Apr 15.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: Karen Miller.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There is a flight of Spirit airline, flight number 1012 with the fare of 100.

USER: Your booking is done.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.