Hello.
user
Hello. How can I serve you?
assistant
I want to change my reservation due to postponed of my Arts competition to other dates, so please help me.
user
Sure. May I know your name?
assistant
Sure, my name is Ryan Miller.
user
Please wait a while.
assistant
Sure.
user
 Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
No worries, thank you.
user
Thanks for choosing us.
assistant