You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Timothy Miller.

ASSISTANT: Ok.

USER: I need to cancel my reservation, as my visa got cancelled. Will you be my helping hand in this?

ASSISTANT: Sure, I will help you with that.

USER: Ok.

ASSISTANT: Please wait a while.

USER: Sure.

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: Thank you for your information.

ASSISTANT: Thank you for reaching us.