You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anthony Nelson here.

ASSISTANT: Anthony, how may I help you?

USER: Can you please help me in flight ticket booking from AUS to MCO?

ASSISTANT: Please provide your itinerary dates.

USER: Sure, my itinerary dates are 08/23 and 08/25.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for contacting us.