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

ASSISTANT: Hello, how can I help you today?

USER: Owing an emergency, I want to cancel my recent reservation, due to some health issue. Can you please help me out?

ASSISTANT: Sure, I am here to help you with that reservation cancel.

USER: Thank you.

ASSISTANT: Please hold for a moment, let me check your previous reservation status.

USER: Sure, I will wait for your information.

ASSISTANT: Thank you for waiting. There is no active reservation found with your name in our database to cancel it.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.