You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in doing a reservation from PHL to DTW?

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: My trip dates are May 19 to 21.

ASSISTANT: Do you need any specifications in connection?

USER: I need a connecting flight.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: I am Patrick Hill.

ASSISTANT: There are no flights found on your specified travel dates.

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

ASSISTANT: Thank you for reaching us.