Hello.
user
Hello, how may I assist you?
assistant
I need to change my existing reservation which has been done by my brother.
user
Sure, may I know your good name please?
assistant
Frank Hernandez here.
user
Sorry, there is no reservation found on your name in our database to change.
assistant
Ok, not an issue.
user
Thank you for reaching us.
assistant
Thank you for helping me.
user