You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Janet Nelson here. I would like to cancel my reservation due to some health issues, can you please help me in that?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I found an active reservation on your name in our data base. Can I cancel it?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.