Hi.
user
Hello. How can I serve you?
assistant
I want to change my reservation, please help me with it.
user
Sure, I will help you. I need your name to check the reservation.
assistant
I am Richard Harris.
user
Please wait.
assistant
Ok.
user
Thanks for waiting, there is no reservation found on your name.
assistant
Fine, thanks for the information.
user
Thank you for approaching us.
assistant