You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: My name is Carol Hall. I want to cancel my recent reservation due to health issues.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name Carol Hall to cancel your ticket.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for reaching us.