Hello.
user
Hello, how can I assist you?
assistant
I am Patrick Miller. Due to my health problem I want to change my reservation, can you please help me in that?
user
Sure, please wait for a moment.
assistant
Ok, I will wait.
user
Thanks for waiting, there was no reservation found on your name.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant