You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anthony Mitchell here.

ASSISTANT: How may I guide you for now?

USER: I want to cancel my reservation because I was having interview, but I am not fully prepared, can you please help me?

ASSISTANT: Anthony Mitchell, please allow me to check with your previous reservation for a moment.

USER: Ok.

ASSISTANT: I'm so sorry to inform you, but there is no active reservation found under your name. Sorry for the inconvenience.

USER: Most welcome.

ASSISTANT: Thank you for reaching our services for your help.