Hello.
user
Hello, how may I guide you?
assistant
I am Dennis Jackson.
user
Ok.
assistant
Due to my health problem I want to change my reservation, can you please help me in that?
user
Sure, please hold on for a moment, let me check.
assistant
Ok, I will wait.
user
I am sorry, there are no reservations with your name. Thank you.
assistant
Ok, no problem. Thank you.
user