You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please help me to book a flight from ATL to SFO?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I want to travel on Feb 22 and need to return on Feb 24.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: I need a direct flight.

ASSISTANT: May I know your good name please?

USER: My name is Patrick King.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.