You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I need a connecting flight to Los Angeles.

ASSISTANT: Ok, may I know your journey airport codes?

USER: New York, EWR is the source. Destination is Los Angeles, LAX.

ASSISTANT: On which dates are you going to travel?

USER: I planned to travel on 06/09 to 06/11 to participate in painting competition.

ASSISTANT: May I know your name?

USER: I am Lisa Moore.

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

USER: Ok. Thank you.

ASSISTANT: Thank you.