You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me out in booking the ticket from DFW to ATL.

ASSISTANT: Sure, please share your travel dates.

USER: My trip dates will be Dec 23 to Dec 25.

ASSISTANT: May I know your good name?

USER: Thomas Robinson is my name.

ASSISTANT: Let me know your connection limit.

USER: I need a connected flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.