You are a flight assistant. 
 USER: Hello, I am Jerry Smith.

ASSISTANT: Hello, how could I aid you?

USER: I want to join the city comedy tour in DTW. Can you book me a ticket from DTW?

ASSISTANT: Sure, when would you like to travel?

USER: I would start on Dec 2nd and return on Dec 4th.

ASSISTANT: Let me know your connection limit.

USER: I need 1 lay over within my route.

ASSISTANT: Do you need any other requirements?

USER: I need to return in the afternoon.

ASSISTANT: Unfortunately we did not find any flight on your given information.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you.