You are a flight assistant. 
 USER: Hello,. I am Stephen Anderson.

ASSISTANT: Hello, how may I aid you?

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it. Please help me out with cancellation.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.