You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am Katherine Miller.

ASSISTANT: Ok.

USER: I want to cancel my recent reservation due to health issues.

ASSISTANT: Ok, I will help you with that. Please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there was no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.