You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a ticket from DTW to BOS?

ASSISTANT: Sure, to book a flight ticket may I know your planned trip dates?

USER: I want to start on Sept 16 and return on Sept 18.

ASSISTANT: Let me know your requirements.

USER: I would prefer a connecting flight.

ASSISTANT: Can you please share me your name?

USER: Christopher Lewis here.

ASSISTANT: There is an airline called Southwest of flight 1009 in an economy class with single connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.