You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Pamela Moore.

ASSISTANT: How can I assist you at this right moment?

USER: I am planning to travel from AUS to CLT to attend live concert at Charlotte, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with booking. Please provide me your travel dates.

USER: Sure, my departure date is on 09/06 and the return date is 08/09.

ASSISTANT: Ok, please give me a moment, I will inform you soon.

USER: Please make sure that the price limit should not exceed 500.

ASSISTANT: Please provide me your correct dates.

USER: 09/06 and 09/08.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Moore, no flight has matched with your dates.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.