You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anthony Mitchell here.

ASSISTANT: How can I assist 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 Anthony, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation found on your name.

USER: That's fine, thank you for your help.

ASSISTANT: Thank you for approaching us.