You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a flight ticket from ORD to DTW?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are 30 Aug and return on 01 Sep.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Mark Smith.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1011 and an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.