You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you?

USER: I am Samantha Jackson. I want to cancel my recent reservation, my sport event has been preponed. Can you please help me with cancellation?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, I am sorry to inform you that no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.