You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Brandon Phillips, want to cancel my recent reservation due to some health issue. Please help me out with that.

ASSISTANT: Sure, I will help you in cancelling your reservation.

USER: Thank you.

ASSISTANT: Please allow me a moment to check for your previous reservation status is whether active or not?

USER: Sure.

ASSISTANT: Sorry Phillips, there is no active reservation have been found under your name in our database to cancel it.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.