Hi.
user
Hello, How can I assist you?
assistant
As my to attend an international conference has been postponed, and again it has to start in the next week. Can you please help me to change an existing reservation?
user
 Sure, I am blissful to help you.
assistant
I am Eric Robinson.
user
Wait a moment.
assistant
Ok.
user
Thank you for waiting. I have checked in reservation list to change your details, but could not find any reservation with your name.
assistant
Ok, not a problem.
user
Thank you for opting us, Have a great day.
assistant
Thanks for your quick response.
user