You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how can I guide you?

USER: I am Benjamin Turner. I want to cancel my reservation, due to my health issues.

ASSISTANT: Ok, turner please wait.

USER: Sure.

ASSISTANT: Thank you for waiting and sorry I did not find any reservation on your name in my list.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for adopting us.