You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my travel dates are from Mar 22 to Mar 24.

ASSISTANT: Do you have any specifications?

USER: I would prefer connecting flight for my trip.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your good name?

USER: Myself Robert Young.

ASSISTANT: We found a flight in Spirit airlines, flight number is 1019 with single connection and price is 800 business class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.