Hi, I am William Gonzalez.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to my health issues.
user
Sure, I will help to change your reservation. Please wait for a moment.
assistant
Sure, take your time.
user
Thanks for waiting, sorry to inform you there no any reservation found on your name.
assistant
OK, no issue.
user
Thank you to connecting with us, have a nice day.
assistant
Thanks for your information.
user