You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Cynthia Smith here. I would like to travel from LAX to ATl, can you help me out?

ASSISTANT: Sure, our agency can help you in booking process and I need your preferable travel dates. Can you please provide it?

USER: My travelling dates are 06/01 and 06/03.

ASSISTANT: Please wait for a minute, let me check. We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: It's ok, not a problem.