You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: I am Anthony Martinez, I need a flight to met my parents from CO-DEN to MI-DTW.

ASSISTANT: Sure, may I know your travelling dates?

USER: I will fly on 09/02 and return on 09/04. I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: Please find a flight under price of 500.

ASSISTANT: I am sorry to say there are no flights found as per your requirement.

USER: Thanks for the information.

ASSISTANT: Thank you for availing us, have a good day.