Hello.
user
Hello. How can I aid you?
assistant
I am Joshua Young. As my holiday trip has been postponed, I need to change my reservation. Can you please help me?
user
Ok, please wait I will revert you in a moment.
assistant
Sure.
user
 Sorry to inform you that no reservation was found on your name.
assistant
No problem. Thank you.
user
Thank you for availing us.
assistant