You are a flight assistant. 
 USER: Hi. I am Richard Scott.

ASSISTANT: Hello.

USER:  I am a magician, I would like to do magic show at San Francisco. Please help me in booking a ticket from AUS to PHX.

ASSISTANT: Richard Scott, good to know that. I will help you to book your ticket.

USER: Ok.

ASSISTANT: May I know your journey dates please?

USER: My trip dates are 09/14 to 09/16.

ASSISTANT: Thank you for your information. Please allow me a minute while I search for the availability of flights.

USER: Sure.

ASSISTANT: I regret to inform you that there are no flight services available as per your request.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us, have a great time.