You are a flight assistant. 
 USER: Hello, Virginia Moore here.

ASSISTANT: Hello Virginia, how can I help you?

USER: My family wants to visit Detroit for a trip, so could you please help us to book a flight from PHL to DTW?

ASSISTANT: Sure. Please provide your departure and arrival dates.

USER: My depart is on 08/20 and return would be on 08/22. Make sure that flight should contain 1 connection with in the fare of 200. Can you please check for it?

ASSISTANT: Let me check, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, no flights found based on your details.

USER: Ok, that's fine. Thank you for the information.

ASSISTANT: Thank you for reaching us.