Hello, I am Karen Miller.
user
Hello, how may I help you?
assistant
 My friend marriage was post postponed so I need to change my reservation. Can you please help me to change my reservation?
user
Sure. Please standby.
assistant
Ok.
user
Thanks for waiting. We found that there was no reservation found with your name.
assistant
Ok, no problem.
user
Thank you for approaching us.
assistant
Thanks for the help.
user