You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Detroit, will you help me in booking the flight ticket from BOS to DTW?

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

USER: My preferable journey dates are Aug 12 and Aug 14.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable in any class.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Your good name please.

USER: Myself Elizabeth Lee.

ASSISTANT: We found an airline: Southwest, flight number: 1001 and price is 100 with one connection.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.