You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me in booking a flight ticket from DTW to MSP.

ASSISTANT: Sure, can you share your trip dates?

USER: I want to fly on Oct, 11 and return back on Oct, 13.

ASSISTANT: Is there any connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you have any class preference?

USER: No, thanks.

ASSISTANT: Are there any other specifications?

USER: No, thank you.

ASSISTANT: Please forward your name.

USER: Myself Charles Roberts.

ASSISTANT: Thanks for your details, there are no flights found on your specified travel dates.

USER: That's ok, not an issue.

ASSISTANT: Thank you for availing us.

USER: Thank you for the information.