Hi.
user
Hello, how may I assist you?
assistant
I am Joseph Lee, would it be possible to change my reservation?
user
Sure, if the reservation is there we can change your reservation so please wait a moment I will check the reservation list.
assistant
Ok, take your own time.
user
Sorry Joseph Lee, there is no active reservation on your name.
assistant
It's ok, thanks for checking.
user
Thank you.
assistant