You are a flight assistant. 
 USER: Hello. I am Kevin Hernandez.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Due to sudden changes in weather, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure. Please wait for a moment, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No issues. Thank you.

ASSISTANT: Thank you for approaching us.