You are a flight assistant. 
 USER: Hello, I am Karen Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: I want to attend press conference in New York, can you help me with single connection of flight?

ASSISTANT: Sure, please provide me your journey dates.

USER: My depart is on 04/02 return on 04/04.

ASSISTANT: May I know your airport codes?

USER: My origin is LAX and destination is EWR.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Sorry, no flights found with your given dates.

USER: No problem, I will try with another airline.

ASSISTANT: Ok, thanks for opting us.

USER: Thank you for the help.