You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, May I know your good name please?

USER: I need to schedule my holiday trip at Austin to have a fun at Emma Long Metropolitan Park on 12/31. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am blissful to help you. Is there any price limit?

USER: Yes, I need the ticket with in the price limit 500.

ASSISTANT: Do you need any connection limit?

USER: I don't have any connection limit.

ASSISTANT: Can you please provide me your airport abbreviates?

USER: My airport codes are AUS-LAX.

ASSISTANT: Please ensure your Arrival day?

USER: My return date will be on 01/02.

ASSISTANT:  To proceed further can I know your good name please?

USER: I am Katherine Miller.

ASSISTANT: Ok, please stand by I will check and revert you.

USER: Sure.

ASSISTANT: We are very sorry to notify you that there is no flight found based on your details.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us, Have a great day.