You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am William Clark, need to book a flight ticket to attend my brother's wedding. Could you help me in booking from AUS to OAK?

ASSISTANT: Sure, we are here to help you. Please provide your journey dates.

USER: My planned trip dates are from 02/12 to 0214. I need a connection.

ASSISTANT: Sorry, we found a direct flight with your details.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you.