Hi.
user
Hello, how may I assist you?
assistant
Due to some sudden change in my schedule, I want your help to modify my existing reservation. Can you please help me with that?
user
Sure, please provide you name I will help you out?
assistant
My name is Brian Lopez.
user
Sorry Brian, there is no reservation found on your name.
assistant
That's ok, may be something went wrong while I was doing my reservation.
user
Yes, may be.
assistant
Anyways, thank you for your time.
user
My pleasure, thank you for reaching us.
assistant