You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please assist me in booking from CLT to ATL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are from 12/07 to 12/09.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no flight found matching with your requirements. May I know your name?

USER: Ok, no issues. I am Raymond Brown.

ASSISTANT: Thank you for availing us.

USER: Thank you.