You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from ORD to ATL?

ASSISTANT: May I know your travel dates?

USER: My planned travel dates are Dec 12-14.

ASSISTANT: Do you have any connecting limit preferences?

USER: I prefer to fly in connected flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself, Joseph Perez.

ASSISTANT: No flights found as per your preferences at the moment.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.