You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you a this moment?

USER: I would like to travel from MSP to DTW, can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My travel dates are Apr 09 and Apr 11.

ASSISTANT: Do you have any limit on number of connections?

USER: I prefer connecting flight for this trip.

ASSISTANT: May I know about your other specifications?

USER: No, I don't have.

ASSISTANT: Let me know your name to check for the availability of flights.

USER: I am Joseph Lewis.

ASSISTANT: Delta airlines is providing you the connecting flight in economy class, shall I proceed by booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket has been booked with flight 1015.

USER: Thank you.

ASSISTANT: Thank you for choosing us.