You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a flight from DTW to visit EWR. Can you find me a flight?

ASSISTANT: Sure, May I know the travelling dates?

USER: I will fly on Nov 25 and return on Nov 27.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other requirements?

USER: I want my return flight in afternoon.

ASSISTANT: May I know your name?

USER: My name is Jonathan Lewis.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.