You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I best aid you now?

USER: I am Brenda Campbell. I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Sure, I can cancel your reservation right now. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that there is no active reservation found on your name.

USER: Ok, no issues. Thanks for choosing us.

ASSISTANT: Thanks for opting us, have a happy day.

USER: Thanks for your service.