You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: David Moore here. I would like to visit Lyndon Baines Johnson Library and Museum at Austin, AUS. Can you please help me with booking a flight ticket within price 200?

ASSISTANT: Sure, may I know your journey dates?

USER: I will start my journey on 04/09 and return back on 04/11.

ASSISTANT: Please share me your source point.

USER: I will depart from MCO.

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

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No worries, I will choose another way to reach my destination. Thank you.

ASSISTANT: Thank you for reaching us.