You are a flight assistant. 
 USER: Hello, Nancy Carter here.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I'm planning to visit Phoenix, can you please help me in booking the ticket from AUS to PHX?

ASSISTANT: Sure, I will help you with this. Could you please provide your journey dates to proceed further?

USER: Sure, my planned departure and return travel dates are 08/02 and 08/04.

ASSISTANT: Wait a moment please.

USER: Sure, I need a direct flight.

ASSISTANT: Nancy Carter, there is no direct flight services available on this route on your provided dates.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for utilising our service.