You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to attend for an interview in Oakland, so please book a flight ticket from DTW to OAK.

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Brandon Lopez.

ASSISTANT:  Please help me with your planned travelling dates.

USER: I will start on Dec 11, return on Dec 13.

ASSISTANT: Do you need a break in between your journey?

USER: I want a flight with one connection.

ASSISTANT:  Do you have any other preferences in your journey?

USER: No.

ASSISTANT: We have a connecting flight operated by American Airlines with a fare of 300 only. Shall I book the flight ticket?

USER: Ok, proceed to booking.

ASSISTANT: I have booked the ticket in the flight-1012. It departs at 0:00 hours and arrives at 15:00 hours.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.