Hi. I am Jonathan Hall.
user
Hello, how can I help you now?
assistant
I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure, I will help you with that. Please wait for a while.
assistant
Ok.
user
Thanks for waiting. We regret, There is no active reservation found on your name, to change it.
assistant
No issue. Thank you for the information.
user
Thanks for reaching us.
assistant