hello.
user
Hello. How can I help you today?
assistant
My name is Thomas Thompson and I want to change my existing reservation. Will you please help me?
user
Sure Thomas. Please be hold on for a moment, let me check your existing reservation.
assistant
Sure.
user
Thank you for waiting. Sorry for the inconvenience, there is no reservation found under your name.
assistant
OK,thank you.
user
Thank you for reaching us.
assistant