You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a ticket from DTW to MSP.

ASSISTANT: Sure, can you share your trip dates?

USER: Departure date is Aug, 25 and return date is Aug, 27.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1028 in airline UA, the fare is 100. Can I book it?

USER: Please book a flight.

ASSISTANT: May I know your name for booking?

USER: I am Kathleen Roberts.

ASSISTANT: Your ticket is booked.

USER: Thanks.

ASSISTANT: Thank you for reaching us.