You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: My name is Samuel Moore. I want to cancel my reservation due to my health issue.

ASSISTANT: Ok, I can help you with cancelling your reservation. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your patience. There was no reservation found on your name.

USER: Thank you.

ASSISTANT: It's my pleasure to assist you.