You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation because of my health issues.Can you please help me out?

ASSISTANT: Sure, may I know your name please?

USER: My name is Barbara Baker.

ASSISTANT: Sorry Baker, there is no reservation found with your name in our records.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.