You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: There are some curfews going on the place I wanted to visit, so I would like to cancel my reservation, can you please help me?

ASSISTANT: Sure, may I know your name?

USER: My name is Helen Lewis.

ASSISTANT: OK, wait for a minute.

USER: Ok.

ASSISTANT: Sorry Lewis, no reservation found on your name.

USER: Ok, no problem with that. Thank you so much.

ASSISTANT: Thank you for approaching us.