Hello.
user
Hello. How can I assist you for the day?
assistant
Can you help me to change my existing reservation?
user
Sure, I am gleeful to help you with that changing reservation. May I know your name please?
assistant
Thank you. I am Donald Lee.
user
Please wait for a while, let me check your previous reservation status.
assistant
Sure.
user
Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
No problem, thank you for the checking.
user
Thank you for reaching us, have a great day.
assistant