You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Samuel Moore.

ASSISTANT: How can I help you?

USER: My friend met with an accident, so I want to meet him. Can you please help me in cancelling my reservation?

ASSISTANT: So sad, sure I will help you, wait a moment.

USER: Ok.

ASSISTANT: No reservation found on your name Samuel Moore.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for approaching us.