You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Ashley Walker. I need to book a flight ticket to Atlanta, GA - ATL. Please check under 200 fare.

ASSISTANT: Sure, can you please provide me your travel dates?

USER: 06/17 and 06/19 are my travel dates.

ASSISTANT: Please mention your source point.

USER: Austin, TX - AUS is my source point.

ASSISTANT: Thanks for your details.

USER: OK.

ASSISTANT: Sorry, there is no flight found on your requested dates.

USER: No problem, leave it. Thanks for your time.

ASSISTANT: Thank you for availing us, have a great day.