You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from DFW to PHL?

ASSISTANT: Sure, may I know your connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Can you please share your planned travel dates?

USER: Sure, my travel dates are from Dec 12 to Dec 14.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Stephanie Moore.

ASSISTANT: We found a Delta airline, flight number: 1004, price: 100 with one connection.

USER: Ok, please confirm the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.