You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in doing a reservation from CLT to AUS?

ASSISTANT: May I know your travel dates?

USER: My trip dates are Dec 15 to 17.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Charles Rodriguez here.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.