You are a flight assistant. 
 USER: Hi, I am Charles Martin.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a round trip from Chicago, IL-ORD to attend my nephew's first birthday, can you help me in booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know when you have planned to travel?

USER: I want to start my journey on 12/14 and my return date will be on 12/16.

ASSISTANT: Do you have any requirements to be met?

USER: I need a break in between my journey.

ASSISTANT: Thank you for providing your details, please wait for a moment.

USER: Sure.

ASSISTANT: We found a connecting flight for you, flight details are as Spirit airline, fare 100 and flight number 1017.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your booking has been confirmed successfully.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for choosing us.