You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight from SFO to DTW?

ASSISTANT: May I know your travel dates?

USER: My travel dates are Nov 15 to 17.

ASSISTANT: Do you have any connecting limit preferences?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Elizabeth Edwards.

ASSISTANT: Do you have any other concern?

USER: No.

ASSISTANT:  There is a flight in Spirit airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1012.

USER: Thank you.

ASSISTANT: Thank you for choosing us.