Hi.
user
Hello, how can I assist you?
assistant
Due to sudden change in my trip to another location, I would like to do some changes in existing my reservation. Can you please help me out?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
Stephen Thompson here.
user
Sorry, we found no reservation on your given name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant