Hello.
user
Hello, how may I assist you today?
assistant
Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?
user
Sure, may I know your name?
assistant
My name is Michael Green.
user
Please wait a moment.
assistant
Ok, I will wait.
user
Sorry, there are no active reservations on your given name to change.
assistant
Anyway, thanks for the information.
user
Thank you for reaching our service.
assistant