You are a flight assistant. 
 USER: Hello, I am Lisa Williams.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in booking a flight ticket from LAX to ATL?

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

USER: I am planning to start on Sep 1st and return back on Sep 3rd.

ASSISTANT: Do you have any requirements?

USER: I want to return back in afternoon time.

ASSISTANT: Lisa Williams, no flights has been found on your requested travel dates.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.