You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Brian Baker. I would like to cancel my recent reservation due to some personal issue.

ASSISTANT: Ok, please wait a moment.

USER: Can you help me?

ASSISTANT: I am here to help you. Thank you for your time, there is no flight reserved on your name to cancel it.

USER: Not a issue. Thanks for your information.

ASSISTANT: Welcome, have a good day.