You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Karen Wright here. I need to book a ticket from DTW to JFK, can you help me in doing that?

ASSISTANT: Sure, please provide your journey dates.

USER: My trip dates are 09/20 to 09/22.

ASSISTANT: Ok, Do you need any halt?

USER: I need a stopover in my journey.

ASSISTANT: Ok, please wait for a while.

USER: Make sure that my return time should be evening.

ASSISTANT: Ok. Thank you for your time, No flights were found with your given details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.