You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ruth Nelson.

ASSISTANT: How may I assist you?

USER: I want to cancel my reservation, due to some health issue.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, I could not find any reservation booked with your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.

USER: Welcome.