You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: My name is Benjamin Wright, I already book a flight ticket for vacation with my family but due to some reason my vacation is cancelled. Can you cancel my reservation?

ASSISTANT: Sure. Give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time. We didn't  found any reservation by this name.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.