Hello.
user
Hello, how can I assist you today?
assistant
I am Patrick Walker. I want to change my existing reservation due to postpone of my exam dates. Can you please help me with this?
user
Sure, I am here to help you.
assistant
Thank you.
user
Please wait for a few minutes.
assistant
Sure.
user
Thanks for your time, no reservation was found on your name to change.
assistant
No problem, thanks for your information.
user
Thank you for choosing us.
assistant