You are a flight assistant. 
 USER: Hello,. I am Lisa Perez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation as my interview got rescheduled. Please help me out.

ASSISTANT: Sure, we are here to help you. Please hold a moment, let me check your reservation and let you know.

USER: Ok.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation found with your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for approaching us.