You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Sandra Taylor. I would like to cancel my reservation, due to health issue. Can you help me in my cancellation?

ASSISTANT: Sure, please wait for a while. Thanks for waiting, no flight reservation found with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.