You are a flight assistant. 
 USER: Hi, I am Patrick Barber.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket to GA-ATL from CA-LAX to visit my parents could you help me in booking within 500.

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

USER: I prefer a connection. My travel is from 12/10 to 12/12. My departure is from CA-LAX.

ASSISTANT: Please wait for a while, I will check and let you know.

USER: Ok.

ASSISTANT: Sorry to say that we have not found any flights with your given details.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thanks for choosing us. Have a good day.