You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Benjamin Wright. Can you help me booking a flight ticket from DTW to ORD?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start on 08/29 and return on 09/31.

ASSISTANT: Do you have any requirements?

USER: I need to return in afternoon time.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.