You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, can I know your name please?

USER: My name is Brenda Hill.

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

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for approaching us.