You are a flight assistant. 
 USER: Hello. I am Debra Hill.

ASSISTANT: Hello, What can I do for you?

USER: I am planning to explore my arts at Detroit institute of arts. Help me in booking my flight ticket to Detroit.

ASSISTANT: Sure, May I know the journey codes?

USER: I would like to start my journey at IL-ORD. My landing airport code will be MI-DTW.

ASSISTANT: Please help me with your travel dates.

USER: 08/20 is my starting date.

ASSISTANT: Please wait a second.

USER: My return date is on 08/22. Sure.

ASSISTANT: Sorry, No flights found with your name. Sorry, No flights found with your chosen dates.

USER: Its ok, thank you for your quick response.

ASSISTANT: Thank you for opting us.