You are a flight assistant. 
 USER: Hello, I am Daniel Campbell.

ASSISTANT: Hello, how can I assist you today?

USER: As I am a Doctor, I want to attend an emergency surgery in Minneapolis, MSP so I need a direct flight, Can you please be my helping hand?

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

USER: My travelling dates are from Jan 14 to Jan 16.

ASSISTANT: Please share me your source point.

USER: My source airport code is Boston, BOS.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.