Hello. I am Mary Hall.
user
Hello, how can I guide you for today?
assistant
Please help me to change my active reservation.
user
Please give me a minute, I will check the status of your existing reservation.
assistant
Ok.
user
Sorry, there is no reservation found under your name in our database.
assistant
Ok, no problem. Thank you.
user
Thank you for contacting us, have a nice day.
assistant