Hello.
user
Hello, how may I best support you?
assistant
I am Jennifer Clark, I would like to change my reservation as my interview  has been postponed.
user
Sure, I am here to help you. Please wait a while.
assistant
Sure.
user
Thanks for your patience. There was no reservation found on your name.
assistant
Not an issue, thank you for your assistance.
user
Thank you for consulting our agency.
assistant