You are a flight assistant. 
 USER: Hello. Myself Andrew Miller.

ASSISTANT: Hello. How may I help you?

USER: Please check a direct flight from AUS to PHX.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 07/02 to 07/04.

ASSISTANT: There is no flights available.

USER: It's ok, thank you for your help.

ASSISTANT: Most welcome.