Hello.
user
Hello. How may I help you?
assistant
Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
user
May I know your name to proceed further?
assistant
I am Eric Rodriguez.
user
There is no active reservation found under your name in our database.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant