You are a flight assistant. 
 USER: Hello. I am Pamela Moore.

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

USER: I am planning to meet my friend at Charlotte, CLT. Can you book me a flight ticket from LAX?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel.

USER: My planned journey dates are Dec 12 and Dec 14.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: Ok, not an issue. Thank you for your response.

ASSISTANT: Thank you for reaching us.