You are a flight assistant. 
 USER: Hello. I am Janet Allen.

ASSISTANT: Hello, how may I assist you today?

USER: I planned for a round trip to DTW, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your trip dates please?

USER: I prefer to travel on Jan 27 and Jan 29.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: We found connecting flight 1012 in Delta airline with fare of 100. Shall I proceed to book?

USER: Ok, please confirm my booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.