You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Brian Phillips. I would like to take my children to Discovery Children's Museum in Las Vegas, LAS. Can you please reserve a flight ticket from AUS?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My journey dates are on 01/25 and 01/27.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flight is available for you.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.