You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket from AUS to DEN, can you please help me with that?

ASSISTANT: May I know your travel dates?

USER: The travel dates are from 08/06 to 08/08.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a flight with 1 connection limit.

ASSISTANT: Is there any other concern?

USER: I would like to depart during morning time. I would like to return during evening time.

ASSISTANT: May I know your name please?

USER: Paul Brown here.

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

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.