Hello.
user
Hello. How may I be of your help?
assistant
I am Michelle Robinson. I would like to change my exiting reservation, due to postpone of my seminar. Could you please help me?
user
Sure, please wait a moment I will check the reservation status.
assistant
Sure.
user
Thank you for waiting, I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, not an issue. Thank you.
user
Thank you for approaching us.
assistant