You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

USER: Can you please help me in booking a flight ticket from EWR to ORD?

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

USER: I would like to fly on Dec 25 and return on Dec 27.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Myself Helen Robinson.

ASSISTANT: Thank you for your details, we found a connecting flight 1000 in class economy which is in Spirit airline. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.