You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: As I am unable to travel due to some health issues, so please help me to cancel my reservation.

ASSISTANT: Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: Sure, my name is Paul Parker.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Ok, I will wait.

ASSISTANT: Thanks for remaining so positive, we are sorry to inform you that there is no active reservation found on your name to cancel it.

USER: Not a problem, thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.