Hello. I am Donald Collins.
user
Hello, how can I provide assistance to you?
assistant
As my holiday vacation got postponed, Can you please change my reservation?
user
Sure, I will help you. Please wait for a moment, I will check with the details and revert you.
assistant
Sure.
user
Thanks for waiting, there is no reservation found with your name.
assistant
Ok. Thank you.
user
Have a nice day.
assistant