Hi.
user
Hello.
assistant
Dennis Walker here.
user
How can I assist you today?
assistant
Please change my existing reservation, which I have done previously with my name.
user
Sure, I will help you with that. Give me a minute.
assistant
Thank you. Take your time.
user
Sorry to say that there is no reservation found under your name.
assistant
It's ok, thanks for your service.
user
Thank you for contacting us.
assistant