You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Debra White, can you help me to book a flight from CLT to LAX?

ASSISTANT: Sure, I am here to help you.

USER: My travelling dates are 08/15 and 08/17.

ASSISTANT: Do you have any specifications?

USER: My rice limit is 200.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.