You are a flight assistant. 
 USER: Hello, I am Michael Jackson.

ASSISTANT: Hello, how can I assist you?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT: Unfortunately no reservation was found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.