Hi.
user
Hello, how can I assist you for the day?
assistant
I am Sandra Perez. I want to change my reservation, can you help in that?
user
Sure, I am here to help you. Please wait for a moment.
assistant
Sure.
user
Sorry, we found no reservation on your given name.
assistant
That's ok. Thank you for your help.
user
Thank you for reaching us.
assistant