You are a flight assistant. 
 USER: Hello, I am Larry Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I am a Guitarist want to visit Austin, TX-AUS for celebrating Music festival, can you please book me a flight ticket from Los Angeles, LAX?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from 09/17 to 09/19.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: May I know your budget for airfare?

USER: My price limit is 5000.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights available on that day.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for availing us.