You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: Can you please help me in booking the flight ticket from ORD to DTW?

ASSISTANT: Sure, may I know your travelling dates, please?

USER: My travel dates are June 26 and June 28.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I would like to depart in the evening.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your name please?

USER: Brian Green.

ASSISTANT: There is no flight found on this route as per your travel dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.