You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please assist me with cancelling my previous booking now?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Ok, my name is Jeffery Lee.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: Oh! That's sad to know. Anyways, thank you for checking.

ASSISTANT: Thanks for contacting us.

USER: You are most welcome.