You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Kathleen Williams here. I would like to cancel my recent reservation because of some personal work, can you help for me?

ASSISTANT: Please wait for a while, I will revert you back with the status of your reservation.

USER: Sure, take your own time.

ASSISTANT: I have checked in the reservation list to cancel your ticket, I could not find any reservation with your name.

USER: Alright, anyway thanks for your information.

ASSISTANT: Welcome, have a nice day.