Hello.
user
Hello, how can I help you?
assistant
I am Ryan Rodriguez. Please help me in changing my existing reservation, as my exam scheduled has been postponed.
user
Sure. Please wait for a while, I will check your reservation.
assistant
Ok.
user
Thank you for waiting, there is no reservation found on your name.
assistant
Ok, no issues. Thank you for your help.
user
Thank you for reaching us.
assistant