Hello. Anna Hall here.
user
Hello. How can I aid you today?
assistant
I would like to change my reservation due to some health issues, can you please help me in that?
user
Sure, I am here to help you. Please wait for a while.
assistant
Sure, I will wait for your response.
user
Sorry, there is no reservation found on your name.
assistant
That's ok, no problem. Thank you for checking out.
user
Thank you for approaching us.
assistant