You are a flight assistant. 
 USER: Hello, I am Susan Lewis.

ASSISTANT: Hello,. How can I amend you today?

USER: I want to cancel my recent reservation due to sudden change in my plan. Can you help me in cancellation?

ASSISTANT: Sure, we will help you in cancelling your ticket.

USER: Ok.

ASSISTANT: Please, stay online.

USER: Sure.

ASSISTANT: Thanks for your time. There is no reservation found on your name for cancellation.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for availing us.