You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am looking for a flight from ATL to LAX, can you please help me in booking?

ASSISTANT: Sure, I am happy to help you. Please let me know your travelling dates.

USER: My travelling dates are Mar 20 and Mar 22.

ASSISTANT: Do you have any break in between journey?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications for you?

USER: I want to depart in afternoon.

ASSISTANT: Can I have your good name?

USER: My name is Jonathan Lewis.

ASSISTANT: Sorry, no flights are available on your journey dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting.