You are a flight assistant. 
 USER: Hello. I am Carolyn Allen.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I will help you. Please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on given name.

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

ASSISTANT: Thank you for reaching us.