You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please assist me for booking a flight ticket from PHL to reach my destination ATL.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My scheduled travelling dates are Nov 22 and 24.

ASSISTANT: Can you please share your connection limit?

USER: I need a connected flight.

ASSISTANT: May I know your name please?

USER: Sure, my name is Timothy Martin.

ASSISTANT: Is there any class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Timothy Martin, there are no flights available in your route.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for choosing us.