Hi.
user
Hello, how can I assist you?
assistant
I would like to change my existing reservation, can you please help me?
user
Sure, may I know your name to check your reservation from our database?
assistant
Sure, my name is Gary Rodriguez here.
user
We regret to inform you that there is no reservation found on your name to change.
assistant
Ok, not an issue.Thank you for your information.
user
Thank you for opting us.
assistant