You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Brian Thompson here. I want to attend a Marriage in  New York. Can you please help me for booking the flight ticket?

ASSISTANT: May I know your planned trip dates?

USER: My travelling dates are 11/03 and 11/05.

ASSISTANT: Can you please share me your airport codes?

USER: My airport codes are LAX and JFK.

ASSISTANT: Do you need any lay by in between your journey?

USER: I need single connection flight.

ASSISTANT: Please provide your specifications.

USER: I want to return on afternoon.

ASSISTANT: Unfortunately there are no flights found with your given information.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us.