You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Katherine Scott. I want to change my reservation due to some problems I am not unable to travel those dates, can you please change my travel dates?

ASSISTANT: Sure, we are here to help at your comforts.

USER: Sure.

ASSISTANT: Please wait a moment, I will check and get back to you. I have checked in reservation list to change your ticket, but could not find any reservation with your name.

USER: Sure. No problem, thank you for your information.

ASSISTANT: Thanks for consulting us, have a good day.