You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in checking a existing reservation with name Patrick Edwards?

ASSISTANT: Sure, I will check and get back to you.

USER: Because I want to cancel my reservation due to some health issues I decided to cancel it.

ASSISTANT: Sorry Patrick, there is no reservation found on your name. Thank you for choosing us, have a great day.

USER: It's ok, thank you for checking.

ASSISTANT: You are welcome.