Hi. I am Michael Jackson.
user
Hello, how may I serve you today?
assistant
 I make a reservation earlier to attend a get together party with my college friends. Due to some issues in college it got postponed. Can you please help me in changing the reservation?
user
Sure, I will help you with that. Please wait for a moment.
assistant
Ok.
user
Thank you for waiting, sorry there is no reservation found on your name in our system.
assistant
Ok, no problem. Thank you for your response.
user
Thank you for reaching us, we hope see you again.
assistant