You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you the day?

USER: My name is John Gonzalez. My family tour trip was cancelled, so please cancel my reservation.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, thanks for giving information.

ASSISTANT: Thank you for approaching us.