Hi. I am Jack Walker.
user
Hello,. How may I assist you today?
assistant
I would like to change my reservation due to sudden change in my schedule. Please help me with it.
user
Sure, please wait for a while I will revert you with current status.
assistant
Ok.
user
Unfortunately, there is no reservation found with your name.
assistant
Thank you.
user
Thank you for availing us.
assistant