Hello.
user
Hello, how may I help you at this moment?
assistant
I am Helen Scott.
user
OK.
assistant
I want to change my existing reservation due to postpone of my interview.
user
OK. Please wait a moment, I will get back to you.
assistant
Sure.
user
Sorry, we did not find any reservation on your name.
assistant
No problem, thank you.
user
Thanks for consulting us, have a nice day.
assistant