You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Kevin Williams here.

ASSISTANT: Kevin, how can I assist you?

USER: Help me by finding a flight for me on 03/25 and 03/27, to meet my best friend.

ASSISTANT: Please share your airport codes.

USER: My locations are from AUS to SEA. I am looking for single connection.

ASSISTANT: Please hold on for a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry, no flight is available on your preferred dates.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for opting our services.