You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to cancel my recent booking, please help me.

ASSISTANT: Sure, can I know your name please?

USER: My name is Justin Mitchell.

ASSISTANT: Ok, please wait.

USER: Sure, I will help you.

ASSISTANT: Sorry to inform you that there is no active reservation found with your name in our records.

USER: That's ok, thank you.

ASSISTANT: Most welcome.