You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Stephanie Brown. I am planning to book a ticket from DTW to MSP. Can you please help em out to book a ticket for me?

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: I would like to travel on 03/16 and return back on 03/18.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for contacting our agency.