You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Samuel Gonzalez. I would like to attend workshop in California Academy of Sciences at San Francisco, SFO. Can you please find a flight from AUS?

ASSISTANT:  Certainly, could you please share your departure and arrival dates?

USER: I am planning to start my journey on 10/10 and return back on 10/12.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your information.

ASSISTANT: Sorry, no flight is available as per your requests.

USER: That's ok, I will choose any other way to reach my destination on time.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: You are welcome.