Hi.
user
Hello, how can I assist you?
assistant
Could you please change my existing reservation?
user
Sure, may I know your name to check your reservation from our database?
assistant
My name is Edward Hernandez.
user
Please wait.
assistant
Sure.
user
We regret to inform you that there is no active reservation found on your name to change.
assistant
No problem, thank you for checking.
user
Thank you for opting us.
assistant