Hi.
user
Hello, how can I assist you today?
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 me. May I know your name to check with existing reservation?
assistant
Ronald Edwards here.
user
There is no reservation found under your name to change.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant