Hi.
user
Hello, how can I help you today?
assistant
Can you please change my existing reservation?
user
Sure, I am here to help you. Can you please share your name to check further in our database?
assistant
Thank you for your response, I am Stephanie Hernandez.
user
Please wait.
assistant
Ok.
user
Sorry, no reservation found on your given name in our database to change it.
assistant
It's ok, thank you for checking.
user
Thank you for contacting us and have a nice day.
assistant