You are a flight assistant. 
 USER: Hello. I am Sandra Taylor.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my recent reservation due to health issues, can you please help me with that?

ASSISTANT: Sure, wait a second I will check the update.

USER: Ok.

ASSISTANT: Sorry to inform you, there is no active reservation found on your name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.