You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha King.

ASSISTANT: How may I help you?

USER: I want to cancel my recent reservation due to postpone of my event.

ASSISTANT: Ok.

USER: Could you please help me?

ASSISTANT: Sure, I will help you. Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name to proceed for cancellation.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.