Hello, I am Emma Miller.
user
Hello, how can I be your helping hand today?
assistant
I would like to change my reservation as my last exam got postponed, so please help me in changing.
user
Sure, please be on hold.
assistant
Sure.
user
Thanks for waiting, there was no reservation found on your name.
assistant
No problem, thanks for your effort.
user
Thank you for availing us.
assistant