Hello.
user
Hello, how can I help you?
assistant
Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?
user
Sure, can you please provide me your name?
assistant
I am Richard Campbell.
user
Sorry, there is no reservation with your given name.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant