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
Please share your name to proceed further?
assistant
Kevin Lee.
user
No reservation found under your name in our database at the moment.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant