You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Can you please cancel my recent booing?

ASSISTANT: How can I help you now? Sure, may I know your name please?

USER: My name is Jack Johnson.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us, have a nice day.