Hello.
user
Hello. How may I help you today?
assistant
My name is Virginia Martin. I want to do some changes in my existing reservation, can you help me for that?
user
Sure, I am glad to help you to change your reservation.
assistant
Thank you.
user
Sorry, no reservation found on your name.
assistant
That's ok, thank you for checking.
user
Welcome, have a nice day.
assistant