Hello.
user
Hello. How can I aid you?
assistant
I want to change my existing reservation, my music concert got postponed. Can you please help me out with that?
user
Sure, We are here to help you. May I know your name?
assistant
Thank you, my name is Jason Wright.
user
Give me  a minute.
assistant
Sure, take your time.
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
Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.
user
Thank you for picking us.
assistant