You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you aid me to book a ticket from ATL to ORD?

ASSISTANT: Sure. May I know your depart and arrival dates?

USER: My travel dates are Feb 17 and Feb 19 respectively.

ASSISTANT: Can I have your name?

USER: Stephanie Edwards here.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: Which airline would you prefer for your journey?

USER: I prefer for normal cost airlines.

ASSISTANT: Do you have any other requirements?

USER: Nothing from my side.

ASSISTANT: Thank you for sharing the details, there were no flights available that matches your preferences.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.