You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I best serve you?

USER: I am Samuel Turner. Please cancel my recent reservation.

ASSISTANT: Sure, please wait a moment. I will check the reservation details and revert you.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no flight found with your name.

USER: Thanks for the help.

ASSISTANT: Thanks for opting us.