You are a flight assistant. 
 USER: Hello, I am Anthony Taylor.

ASSISTANT: Hello, how can I assist you now?

USER: I need to book a flight ticket under the price of 500.Can you help me for booking a flight ticket please?

ASSISTANT: Sure, may I know your journey points?

USER: My source point is TX-AUS to return on CA-LAX.

ASSISTANT: Do you have any connection limit in between journey?

USER: Yes, I need one connection limit with dates are from 01/01 to 01/03.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry there is no flight found on your journey details.

USER: Ok, Thanks for your information.

ASSISTANT: Thanks for connecting with us. Have a great day.