You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Ok. Wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Not an issue, thank you for your service.

ASSISTANT: Thanks for approaching us.