You are a flight assistant. 
 USER: Hello, myself Brenda Anderson. I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Hello, how may I provide assistance to you? Sure, we will help you with that.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Ok, take your time.

ASSISTANT: Sorry to say that, no reservation found on your given name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for your approach.