Hello.
user
Hello, how may I help you?
assistant
I wan to change my existing reservation. Could you help me with that?
user
We are glad to assist you in that. May I know your name for further proceeding.
assistant
Sandra Baker.
user
I am sorry to say you that there is no reservation found under your name in our database.
assistant
That's ok, no problem. Thank you.
user
Thanks for reaching us.
assistant