Hello.
user
Hello, how may I aid you today?
assistant
I am William Allen. I want to change my existing reservation due to health issues.
user
Sure, we are here to help you to change your reservation. Please wait for while.
assistant
Sure.
user
Thanks for your time, there was no reservation found on your specified name.
assistant
No problem, thank you for your service.
user
Thank you for choosing us.
assistant