You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Matthew Scott.

ASSISTANT: How can I assist you today?

USER: Actually, I have booked a flight last week for Las Vegas. for some personal reasons can you please cancel my reservation?

ASSISTANT: Sure, I can help you with that.

USER: Ok.

ASSISTANT: Please allow me a minute to check for the details. Your patience is greatly appreciated. Matthew, I see that there is no reservation found under your name.

USER: Thank you for the information.

ASSISTANT: You are welcome.