You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Ruth Lewis.

ASSISTANT: How may I help you?

USER: I had planned to go on a vacation, but it was cancelled.Can you cancel my recent reservation?

ASSISTANT: Sure. There is no reservation with your name.

USER: That's Ok.

ASSISTANT: Thank you to visit here.

USER: Thank you for your help.

ASSISTANT: Most welcome.