You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Lisa Perez.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Happy to inform you reservation found.

USER: Please cancel it.

ASSISTANT: I have cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.