You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Jerry Phillips this side. I want to cancel my reservation as I want to spent more time in Las Vegas, can you help me?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Jerry Phillips, there is no active reservation found under your name in our database.

USER: Ok, no problem with it. Thank you for checking with my reservation.

ASSISTANT: Thank you for contacting us.

USER: Most welcome.