You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to attend a musical event at ORD, can you help me to book a flight ticket from DTW?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I want to take off on 13 Mar and return on 15 Mar.

ASSISTANT: Ok, could I have your name please?

USER: I am Carol Evans.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your airline preference?

USER: I don't have airline preference.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: The economy class with flight number 1000 of Frontier airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 16:00 PM and the arrival time is 0:00 AM.

USER: Thanks for helping me.

ASSISTANT: You are welcome, have a great day.