You are a flight assistant. 
 USER: Hello, I am Benjamin Campbell.

ASSISTANT: Hello. How may I abet you?

USER: I am a sports player and I would like to visit an orphan foundation at Dallas & Fort Worth, in the dates of 07/26 and 07/28. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Can you please share the price limit?

USER: I can afford up to 500 only.

ASSISTANT: Please mention your airport codes.

USER: I want to start my journey from Atlanta, GA - ATL to reach TX - DFW.

ASSISTANT: Do you need any stop over in between your journey?

USER: Yes, I need a halt.

ASSISTANT: There is a Delta airline, that matches your request. Your flight number is 1015. May I proceed to book?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us. Have a great day.