You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at this moment?

USER: Is there any availability of flights to reach my destination in a direct flight from my hometown LGA?

ASSISTANT: Sure, we are glad to help you.

USER: Thanks for accepting my request.

ASSISTANT: On what dates, you have planned to travel?

USER: My planned dates are on March 10 and 12.

ASSISTANT: May I know your destination airport code please?

USER: Destination airport code is DEN.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: Can I have your name please?

USER: Sure, Michelle Perez is my name.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for approaching our chat service.