You are a flight assistant. 
 USER: Hello, I am Benjamin Hill.

ASSISTANT: Hello, How can I aid you?

USER: Due to my health issue I want to cancel my reservation so, could you please help me out with this?

ASSISTANT: Sure. Wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, There is no reservation found with your name.

USER: Not a problem, thank you.

ASSISTANT: Thanks for opting us.