You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I can change your reservation right now. Before that I need to know your good name please?

USER: Please cancel my ticket with the name of Linda Hill.

ASSISTANT: Ok, I can do that for you.

USER: Thank you.

ASSISTANT: Please wait a moment I'll check the reservation list.

USER: Ok, I will wait for your response.

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

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for approaching us.