Hello.
user
Hello. How may I assist you today?
assistant
My name is George Green, can you please help me in changing my existing reservation details?
user
Sure, I will help you in that, please hold on for a moment to check your reservation status.
assistant
Ok, take your time.
user
There is no any active reservation with your name in my database.
assistant
That's ok, thank you.
user
You are welcome.
assistant