You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: There is a science exhibition going on in Detroit-DTW, so can you book a flight ticket for me from my region ORD?

ASSISTANT: Sure, I will help you out in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: I would like to board on 08/14 and catch the return flight on 08/16.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: May I know your name please?

USER: I am Timothy Scott.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: I am ok with the flight which you have mentioned, please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: I am happy with your service in my ticket booking, thank you.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.