You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you?

USER: Owing an emergence, I want to cancel my recent reservation. My name is Ronald Rodriguez.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation exist on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for opting us.