Hi,.
user
How can I be at your service today?
assistant
Please change my existing reservation owing to an emergency.
user
Sure, we will help you. Can I have your name to check the details in our database?
assistant
My name is Mark Rodriguez.
user
Ok, please wait a moment. Sorry to inform you that there is no reservation found on your name to proceed further.
assistant
Thanks.
user
Thank you for choosing us.
assistant