You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Nancy Jones here, please cancel my recent reservation which I have done previously.

ASSISTANT: Sure, hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Nancy, there are no flights reserved on your name.

USER: It's ok, thanks for your assistance.

ASSISTANT: Welcome, thank you for choosing us.