You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi. How can I help you?

USER: I want to cancel my resent reservation for some personal issues. Can you please help me out?

ASSISTANT: Sure, please provide me your valid information?

USER: Yes, myself Cynthia Garcia.

ASSISTANT: Just a second Mr Cynthia Garcia. I am sorry, Mr Cynthia Garcia I could not find any reservation on your name.

USER: OK, no issues.

ASSISTANT: Thank you have a nice day.