You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, before proceeding please provide me you name.

USER: Sure, Jason Anderson here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no previous flight reservation matching your particulars.

USER: No worries, thank you for the information.

ASSISTANT:  Thanks for making us to serve you.