You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Lewis here.

ASSISTANT: How can I aid you?

USER: I want to cancel my reservation as I am sick.

ASSISTANT: Ok. I have searched for your reservation details but I there is no reservation found active on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.