You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: My name is Samantha Johnson, I want to cancel my reservation as my plan is cancelled. Can you cancel my reservation?

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing our service.