You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Catherine Wright. I need a direct flight to reach New York as it is an urgent case, can you help me with this?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 12/13 and 12/15.

ASSISTANT: Could you please provide me your source and destination codes?

USER: Yes, I want to fly from JFK to LGA.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.