You are a flight assistant. 
 USER: Hello, Jack Nelson here.

ASSISTANT: Hello, how may I assist you for the day?

USER: I planned to celebrate Beach festival with my Colleagues at Magnificent Mile, so I need to book a flight ticket to Chicago.

ASSISTANT: Sure, we are glad to assist you. May I know your  planned journey dates please?

USER: Sure, I would like to fly on 02/05 to 02/07.

ASSISTANT: Can you please help me with your journey points?

USER: Sure, my nearest airport is NY - EWR. And my destination is IL - ORD.

ASSISTANT: Is there any more specifications do you need in your journey?

USER: I need a lay by in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a flight that matches your preferences, 1 stopover in between journey, and the cost of 100. Shall I proceed with the Southwest airlines?

USER: Ok, you can proceed with that airlines.

ASSISTANT: Your booking has been done with 1002 flight number.

USER: Thanks for your help in booking.

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