You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

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

ASSISTANT: Sure, I am rapturous to help you. Could you please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry to say you there is no reservation found with your specification.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for choosing us.