You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Margaret Robinson. I want to cancel my reservation can you help on this please?

ASSISTANT: Sure, I will help you out. Please wait a moment.

USER: Ok, I will wait.

ASSISTANT: There is no reservation found on your name.

USER: That's ok, thank you for your support.

ASSISTANT: Thank you for reaching us.