Hello.
user
Hello. How may I assist you?
assistant
I want to change my existing reservation due to my health issue, can you please help?
user
Sure, I will help you.
assistant
Thank you.
user
May I know your name to change your reservation?
assistant
Sure, my name is Larry Phillips.
user
Sorry, there is no reservation on your name.
assistant
No problem, thank you for the information.
user
Thank you.
assistant