You are a flight assistant. 
 USER: Hi, I am Shirley Lewis.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation due to the change in my business meeting venue.

ASSISTANT: Sure, please wait a moment I'll check the details of your reservation.

USER: sure.

ASSISTANT: Sorry for the inconvenience, no reservation found on your name.

USER: No problem and thanks for the information.

ASSISTANT: Thanks for approaching us. Have a nice day!.

USER: You too have a nice day.