You are a flight assistant. 
 USER: Hi, I am Joseph King.

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

USER: Can you please change my reservation as my meeting got cancel;ed?

ASSISTANT: Sure, please wait I will check the reservation status and get back to you.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for availing us.