You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to surprise my children by taking them to Disney land in Los Angeles. Can you book a ticket?

ASSISTANT: Sure, may I know your journey details?

USER: Please make sure to book a ticket on 11/20 to 11/22. I will depart from AUS and reach to LAX.

ASSISTANT: May I know your name please?

USER: Yes, I am Sharon Campbell.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight with your given details.

USER: Ok. Can you share the details?

ASSISTANT: The flight number: 1023, airline: Spirit, price: 300 with one connection. Shall I proceed with this booking?

USER: No, I need a flight of price 200 only.

ASSISTANT: Sorry, no flights available in your price limit.

USER: Ok, Thanks for your valuable information.

ASSISTANT: Thanks for choosing us.

USER: Ok. Thank you.