Hi.
user
Hello, how may I help you this pleasant evening?
assistant
Joshua Lewis here. I want to do some changes in my existing reservation because I did not get the concert tickets, can you please help me?
user
Ok, please wait for a moment.
assistant
Ok.
user
Sorry for the inconvenience, there is no previous reservation found on your name to change.
assistant
Ok, no problem.
user
Thank you for reaching us.
assistant
Thank you for checking.
user