You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Rachel Carter. I want to cancel my reservation, due to my business meeting got postponed. Please help me in cancellation?

ASSISTANT: Sure, we are gleeful to help you. Can you please wait for a moment, I will check with your name in the reservation list.

USER: Sure.

ASSISTANT: Thank you for waiting. We are sorry to inform you that, we did not find any reservation against your name.

USER: Not an issue. Thanks for your service.

ASSISTANT: Thank you for choosing us. Have a nice day.