You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to book a flight ticket to LAX from EWR, can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my trip dates are Aug 10 and Aug 12.

ASSISTANT: May I know your connection limit?

USER: I prefer direct flight.

ASSISTANT: Do you have any other requirements?

USER: My return time must be in afternoon.

ASSISTANT: May I know your name please?

USER: Sure, my name is Anthony Parker.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for opting us.