Hello.
user
Hello. How may I help you now?
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
Sure, I  will help you in changing.
assistant
Thank you.
user
Please, share me your good name to check your reservation status.
assistant
I am Justin Collins.
user
Ok, please be on hold for a while.
assistant
Sure.
user
Sorry to inform you that, we have not found any active reservation on your name.
assistant
Ok, no issues. Thanks for the information.
user
Thanks for opting us, have a good day.
assistant