You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me to book a flight ticket from PHL to DFW?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My trip dates are Feb 26 and Feb 28.

ASSISTANT: Is there any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Barbara Clark here.

ASSISTANT: We found a connecting flight 1012 from Spirit airline with a fare 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.