You are a flight assistant. 
 USER: Hello, I am Nicole Clark.

ASSISTANT: Hello. How can I  help you?

USER: Can you aid me in booking a ticket in direct flight from AUS to PHX?

ASSISTANT: Your travelling dates please?

USER: I am planning to start on May 17th and return back on May 19th.

ASSISTANT: I am sorry no flights found on your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.