Hello, I am Michael Hernandez.
user
Hello, how may I assist you today?
assistant
I want to change my existing reservation, due to some personal work. Can you help me with this?
user
Sure, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no reservation found with your name.
assistant
Ok, Thank you for your service.
user
Thanks for approaching us, have a nice day.
assistant