Hello.
user
Hello, how may I assist you today?
assistant
My name is Raymond Garcia. I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, wait a minute.
assistant
Sure, I will wait for your response.
user
No reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user