Hello.
user
Hello, how can I help you today?
assistant
My name is Gary Lewis. I want to do some changes in my existing reservation. Can you help me for that?
user
Sure. Wait for some time.
assistant
Sure, I will wait for your response.
user
Thanks for waiting there is no reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thanks for approaching us.
assistant
Welcome.
user