You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Brenda Young, want to cancel my recent reservation. Please help me out with that.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Brenda, there is no reservation found with your name in our records.

USER: Thank you.

ASSISTANT: Most welcome.