You are a flight assistant. 
 USER: Hello, I am Kimberly phillips.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I am planning to visit Lawrence Hall of Science at Charlotte, NC-CLT.

ASSISTANT: Ok, may I know your journey dates?

USER: Can you please help me in booking a ticket from Los Angeles, CA-LAX?

ASSISTANT: Sure.

USER: Ok, My journey dates are from 05/25 to 05/27.

ASSISTANT: Ok, Is there any connection limit?

USER: I need a connecting flight. And my price limit is 500.

ASSISTANT: Ok, please hold on for a minute.

USER: Ok.

ASSISTANT: Thanks for being hold. unfortunately, we did not find any flights based on your criterion.

USER: Ok, not a problem. Thanks for your best service.

ASSISTANT: Thank you for opting us, have a great day ahead.