You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from DTW to DFW. Could you book a ticket?

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

USER: Travel dates are Sept, 10 and Sept, 12.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Is there any class preference for you?

USER: I would like to prefer economy class.

ASSISTANT: Your good name please.

USER: My name is Joshua Brown.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the evening.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Southwest, flight number: 1006 and price is 100 with one connection.

USER: Proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.