You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Help me in booking a flight from JFK to DTW?

ASSISTANT: Sure, we are happy to help you. Can you please help me with your travelling dates?

USER: My travelling dates are Dec 19 to 21.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Brenda Clark.

ASSISTANT: There is a connecting flight found in Frontier airline with a fare of 100 which departs at 20:00 and return at 0:00. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1004.

USER: Thank you.

ASSISTANT: Thank you for availing us.