You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Myself Patrick Hernandez. Can you please cancel my recent reservation, which I have done before to attend a business meeting.

ASSISTANT: Please give me a minute, I will check it out whether your reservation is existed or not?

USER: Sure, get back with status of my reservation.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: It's ok, not an issue.

ASSISTANT: Thank you for contacting us.

USER: Thank you for checking.

ASSISTANT: You are welcome.