You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation due to my health issue. Can you help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is David Evans.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, but there is no active reservation found in your name to cancel.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.