You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I want to book a flight ticket from PHL to ATL, can you help me?

ASSISTANT: I am here to help you about that, can you please provide your planned dates of journey?

USER: I planned my trip on the dates Sept 21 and Sept 23.

ASSISTANT: Will you please let me know if you need a connecting flight or direct flight on your way to ATL?

USER: I am looking for a connecting flight.

ASSISTANT: Can you please provide your name for booking purpose?

USER: Myself Steven Phillips. And make sure, I prefer business class flight.

ASSISTANT: Do you have any other requirement for your journey to met with?

USER: No.

ASSISTANT: Sorry Steven Phillips, there are no flights which travels to your region on your planned dates of journey.

USER: No issue, any way thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us.