You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation due to some health issues, can you please help m in cancellation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I know your name?

USER: I am Kenneth Lopez.

ASSISTANT: Ok, please hold on.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.