You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking my flight ticket from PHL to ATL?

ASSISTANT: Sure, may I know your preferred dates?

USER: My travelling dates are Apr 21 and 23.

ASSISTANT: Do you need any connections between between your trip?

USER: I need connecting flight.

ASSISTANT: May I know your name?

USER: Myself Barbara Carter.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: We have a connecting flight operated by Delta Airlines with a fare of 200. Shall I book your seat in this flight-1028?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for oping us.