You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your reservation status?

USER: My name is Frank Jones.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your own time.

ASSISTANT: Thank you for your time, sorry to inform you that, we could not find any reservation on your name to cancel your reservation.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us with a query. We hope to serve you again.