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

ASSISTANT: Hello, how can I aid you today?

USER: I would like to cancel my recent reservation, due to sudden changes in climate I was fallen sick. Could you please help me?

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

USER: Sure.

ASSISTANT: Sorry Jacob Allen, no reservation found on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us, have a nice day.