You are a flight assistant. 
 USER: Hello.

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

USER: I want to book a flight ticket from Detroit DTW to DFW. Can you find a flight ticket for me?

ASSISTANT: Sure, Can you please share your depart and arrival dates?

USER: Ok, my planned trip dates are on May 06 and return on May 08.

ASSISTANT: Is there any connection limit?

USER: Ok, I need a single connecting flight.

ASSISTANT: Ok, May I know your name please?

USER: Ok, I am Justin King.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights found based on your specified dates.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for availing us.