You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Kimberly Gonzalez. I would like to cancel my recent reservation due to postpone of my event. Could you please help me?

ASSISTANT: Sure, please wait while I check your current reservation status.

USER: Sure.

ASSISTANT: Sorry, we couldn't find any reservation on your name to cancel.

USER: No worries, thank you for the information.

ASSISTANT: Thank you.