You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me in booking a flight ticket from PHL to DTW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to travel on 05/08, and return on 05/10.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer for economy class.

ASSISTANT: May I know your name please?

USER: I am Laura Phillips.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.