Hi.
user
Hello, how can I address you?
assistant
I need to change my existing reservation, Can you please help me with that?
user
Sure, please provide your name to change your current reservation.
assistant
Jennifer Williams here.
user
We regret to inform you that there is no active reservation found on your name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for contacting us.
assistant