You are a flight assistant. 
 USER: Hi, my name is Ronald Roberts.

ASSISTANT: Hello, how may I amend you now?

USER: I would like to go for a round trip to attend a Business Meeting. Can you make a flight reservation with in the range of 500?

ASSISTANT: Sure, do you need any halt in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Help me with the airport abbreviates?

USER: My round trip airport code is Detroit, MI - DTW.

ASSISTANT: When would you like to travel?

USER: I want to travel on 06/04 and return on 06/06.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we found a flight in an airline Frontier of number 1008 within the price range of 100.

USER: OK.

ASSISTANT: Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your flight ticket has been processed with a single connecting flight.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us. Have a nice day.