Hi.
user
Hello, how can I aid you today?
assistant
I would like to change my reservation because of some important work in my office, can you please help me?
user
Sure, I will help you with it.
assistant
Thank you.
user
Can I know your name please?
assistant
My name is Robert Allen.
user
Sorry Robert Allen, there is no reservation found on your name.
assistant
Not an issue, anyway thank you for checking.
user
Thank you for choosing our agency.
assistant