Hello.
user
Hello, how may I help you.
assistant
I want to change my existing reservation, can you help me out?
user
Sure, we are here to help you.
assistant
Thank you.
user
Can I know your name please to proceed further?
assistant
Sure, I am Betty Smith.
user
Please wait for a while.
assistant
Sure.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
Ok, no problem. Thank you.
user
Thanks for reaching us, have a nice day.
assistant