Hello.
user
Hello. How can I help you?
assistant
Can you please help me to change my existing reservation?
user
Can I know your name please?
assistant
I am David Harris.
user
Please wait moment Harris.
assistant
OK.
user
Sorry there is no reservation found under your name.
assistant
OK, that's fine. Thank you for the help.
user
Thank you for reaching us, have a good day.
assistant