You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation because of my health issues. Can you please help me out?

ASSISTANT: Sure, can I know your name please?

USER: Sure, my name is Samuel White.

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

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.