Hi.
user
Hello, how may I aid  you today?
assistant
I need to change my existing reservation owing to an emergency.
user
Sure, we are here to help you. Can I have your name to proceed further?
assistant
My name is Samuel Harris.
user
Ok, please wait for a while.
assistant
Sure.
user
Thank you for your time, sorry no reservation found on your name.
assistant
Thank you.
user
Thank you for reaching us.
assistant