Hello, I am Ryan Rodriguez.
user
Hello, how may I assist you today?
assistant
I have made a reservation earlier to attend for an interview, due to some issues my interview has been postponed. Can you help me to change it?
user
Please give me a moment.
assistant
Sure.
user
Sorry to inform, there is no reservation found with your given name.
assistant
That's Ok, thanks for your information.
user
Thank you for choosing us.
assistant