Hello.
user
Hello, how may I help you?
assistant
I am Joshua Lewis. I want to change my reservation.
user
Ok, I can help you with changing your reservation.
assistant
Ok.
user
Please wait for a moment till I check with your existing reservation.
assistant
Sure.
user
I am very sorry to inform you, there is no reservation found by your name.
assistant
Ok, fine thank you for checking.
user
Thank you for connection with our services.
assistant