You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend my convocation ceremony, could you book my ticket from LGA to DEN?

ASSISTANT: May I know your travel dates?

USER: My itinerary dates are Oct 28 and 30.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Daniel Mitchell here.

ASSISTANT: Spirit Airlines is providing the connecting flight and the fare of 100.

USER: Book my ticket.

ASSISTANT: Your reservation is confirmed for the flight 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing us.