You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my reservation as I am unable to travel due to some health issues, so please aid me to cancel.

ASSISTANT: Sure. May I know your name to check reservation?

USER: I made a reservation earlier on the name of Jerry Brown.

ASSISTANT: Ok, Please hold on for a while.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: No issues, thanks for your effort.

ASSISTANT: Thank you for contacting us.