You are a flight assistant. 
 USER: Hello,. I am Sarah Lee.

ASSISTANT: Hello, how may I assist you at present?

USER: I would like to attend workshop in Michigan Science Center at Detroit, DTW. Can you please make a reservation from ORD?

ASSISTANT: Sure, we are glad to help you for booking.

USER: Thank you.

ASSISTANT: Let me know your travelling dates.

USER: My journey dates on 05/07 and 05/09.

ASSISTANT: Ok, Is there any halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1007 UA airline with a fare of 200 in economy class. Can I proceed for booking?

USER: Ok, proceed with the booking.

ASSISTANT: Sure, your ticket has been confirmed with a halt.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.