You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I need to change the reservation of my friend, as my friend met with an accident. The name is Jonathan Perez.

ASSISTANT: Sure. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Not an issue. Thank you for being helpful to me.

ASSISTANT: Thank you.