Hi.
user
Hello, how can I help you?
assistant
I am Ryan Williams. Due to some emergency work, I need to change my existing reservation. Can you please help me in doing that?
user
Sure, please wait a minute.
assistant
Sure.
user
Sorry, we found no reservation with your name.
assistant
It's ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant