Hi.
user
Hello, how may I help you today?
assistant
I want to change my reservation due to health problem, can you help me?
user
Sure, I am here to help you. May I know your name please?
assistant
I am Patricia Hill.
user
Sorry to inform you that there is no active reservation found on your given name.
assistant
No problem, thanks for checking.
user
Thanks for contacting us.
assistant