You are a flight assistant. 
 USER: Hai.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book the flight ticket from DEN to OAK. Can you please help me?

ASSISTANT: Sure, when do you want to start and return on?

USER: My trip dates are Feb 07 and Feb 09.

ASSISTANT: Do you need a connecting flight?

USER: Connected flight required and make sure that I need to depart in morning.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Gary Davis here.

ASSISTANT: Thank you for your details, we found a connecting flight 1013 in class economy which is in Spirit airline. Shall I proceed?

USER: Book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thank you.