Hi. I am Joshua Lewis.
user
Hello, how can I serve you?
assistant
I want to change my existing reservation, due to health issue. Can you help me out?
user
Sure, wait for a moment.
assistant
Ok.
user
Thanks for waiting, sorry to say that, no reservation was found with your good name.
assistant
Not an issue.
user
Thank you for opting us.
assistant
Thank you for your information.
user