Hello.
user
Hello. How can I aid you?
assistant
Unfortunately, I want to change my existing reservation due to some health issues. Can you please help me in this?
user
Sure, may I know your name?
assistant
Sure, I'm Helen Nelson here.
user
Sorry, there is no reservation found under your name in our database.
assistant
Ok, no issues.
user
Thank you for picking us.
assistant
Most welcome.
user