Hi.
user
Hello. How may I help 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
May I know your name please?
assistant
Deborah Lee.
user
There is no active reservation found under your name to amend it.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant