Hi.
user
Hello. How can I help you?
assistant
I need to change my reservation as my reporting date has been postponed. Can you help me with it?
user
Sure, may I know your name?
assistant
My name is Donna Hernandez.
user
Ok, please wait I will  revert you.
assistant
Sure.
user
 Sorry, no reservation found on your name.
assistant
Ok, thank you for your response.
user
Thank you for availing us. Have a great day.
assistant