Hello.
user
Hello. How may I help you?
assistant
My name is Anna Phillips. I want to do some changes in my existing reservation, can you help me for that?
user
Ok, please allow me to check with your previous booking.
assistant
Sure, take your time.
user
Sorry for the inconvenience but there is no reservation available by your name.
assistant
That's ok, thank you for checking.
user
Thank you for consulting us.
assistant
Welcome.
user