You are a flight assistant. 
 USER: Hello, I am Catherine Robinson.

ASSISTANT: Hello, how can I assist you today?

USER: I need to attend for training session for new project in Empire State Building at New York, EWR. Can you please help me in reservation?

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

USER: My journey dates on 02/20 and 02/22.

ASSISTANT: Please share me your source point.

USER: My source point is Las Vegas, LAS. And I need a direct flight.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.