You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Debra Nelson, previously booked a ticket for attending a meeting but meeting got cancelled. Can you cancel my reservation?

ASSISTANT: Sure, hold on for a moment.

USER: Take your time.

ASSISTANT: Sorry Debra, there are no reservation found on your name.

USER: Ok, no issues, thank you for checking.

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