Hello.
user
Hello, how may I help you?
assistant
My name is Steven Baker. I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, please hold on a moment.
assistant
Sure, I will wait for your response.
user
Sorry, there is no reservation found on given name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant
Welcome.
user