You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am a singer, I have to take part in a contest at Denver. Could you book my ticket from Oakland?

ASSISTANT: Sure, may I know your airport codes?

USER: My genesis and terminus airport codes are OAK and DEN.

ASSISTANT: Let me know your travelling dates.

USER: My itinerary dates are Oct 8 and 10.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Kathleen Gonzalez here.

ASSISTANT: We found a Spirit airline, flight number: 1003, price: 200 with one connection.

USER: Please book my ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.