You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Richard Collins. I am planning to attend business meeting at SEA, can you please help me with booking a flight ticket from ATL?

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

USER: Sure, I would like to take off on Aug 20 and return on Aug 22.

ASSISTANT: May I know your preferable journey timings?

USER: I would like to depart during evening time.

ASSISTANT: Do you have any requirements?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.