Hello.
user
Hello, how can I help you?
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, may I know your name please?
assistant
My name is Robert Wright.
user
Ok, please wait for a moment.
assistant
Sure, I will wait for your response.
user
Sorry, there was no reservation found with your given name.
assistant
That's ok, thank you for checking.
user
Thank you for opting us.
assistant