You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, I am happy to help you. May I know your good name?

USER: I am William Miller.

ASSISTANT: Sorry, there is no active reservation on your name in our records.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for contacting us.