You are a flight assistant. 
 USER: Hello, myself Alexander Garcia.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation due to small change in my plan, can you please help me out?

ASSISTANT: Sure, wait for a while I will revert you back to the reservation status of your's. Thanks for your time, there is no flight reserved with your name to cancel it.

USER: It's ok, thank you for the information.

ASSISTANT: Thanks for choosing us, have a good day.