You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I succour you?

USER: Myself Benjamin Allen. I need a direct flight to AUS from LAS. Can you help me?

ASSISTANT: Can you please tell your travelling dates?

USER: Ok, my travel date is 08/27 and 08/29 respectively.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: That's ok, no problem. Thank you searching.

ASSISTANT: Thank you and have a nice day.