You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Robinson.

ASSISTANT: What type of service you are expecting from us?

USER: I would like to fly from JFK, will you please aid me in making an airline reservation to DTW?

ASSISTANT: Ok, I will help you. When you are willing to travel?

USER: I am willing to travel on Sept 7th and return on Sept 9th.

ASSISTANT: Do you have any other specifications?

USER: The depart time should be evening. I need a stopover.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: The United Airlines are providing a flight having a connection limit 1 and the ticket fare 200. Are you ok with this flight?

USER: Ok, proceed.

ASSISTANT: I have reserved your ticket in an economy class which is departing at 20:00 PM and returning at 14: 00 PM and the flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe journey.