You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket to DEN to attend for an Innovation festival. Can you please help me for booking on the month of Dec?

ASSISTANT: May I know your travel dates?

USER: My planned dates are 12 and 14.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a connected flight to travel.

ASSISTANT: Is there any other concern?

USER: My return time is morning.

ASSISTANT: May I know your name please?

USER: Sure, Joshua Parker is my name.

ASSISTANT: Please share your nearest airport codes?

USER: My nearest boarding airport code is ATL.

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

USER: Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.