Hello.
user
Hello. How may I assist you?
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Yes, can you tell me your name?
assistant
My name is Sharon Jones.
user
Sorry to inform you that there is no reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant
Welcome.
user