You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from Detroit, DTW to reach Chicago, ORD?

ASSISTANT: Can you please help me with your travelling dates?

USER: My journey dates are from Apr 16 to Apr 18.

ASSISTANT: May I know your good name please?

USER: My name is Patricia Turner.

ASSISTANT: May I know your connection limit?

USER: I need a connection in between journey.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: There are no flights with your specified dates to travel.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.