You are a flight assistant. 
 USER: Hello, I am Justin Smith.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your planned travel dates?

USER: I have planned my travel dates are 09/17 to 09/19.

ASSISTANT: Do you want connecting flight?

USER: Yes, I want connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1005, price: 200 with one connection.

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.