Hello.
user
Hello. How can I help you?
assistant
As my business meeting has postponed, I want to change my existing reservation.Can you help me out?
user
Sure, can I know your name please?
assistant
Yes, my name is Matthew Rodriguez.
user
Please wait for a moment.
assistant
OK.
user
I am sorry Matthew, I didn't find any recent reservation with your details.
assistant
OK, thank you.
user
You are welcome.
assistant