Hello, I am Kathleen Garcia.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to my health issue, so could you please change my reservation?
user
Sure, I will help you. Please wait a minute.
assistant
Thank you. Ok.
user
Sorry, there is no reservation with your name.
assistant
Not a problem, thank you for the information.
user
Thank you for reaching us.
assistant