You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Gary Taylor, can you help me to book a flight from AUS to PHX?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are 03/01 and 03/03.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: Sorry Taylor, there are no flights available on your requested dates.

USER: No issues, thank you for your information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.