You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: At last minute my meeting got cancelled which is scheduled earlier, so I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I am here to help you. Could you please share your name for checking the status of reservation?

USER: Sure, I am Carolyn Martin.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name in our reservation database.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for choosing us, have a nice day.