Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation, my music concert got postponed. Can you please help me out with that?
user
Sure, may I know your name?
assistant
Ok, my name is Steven Moore.
user
Please wait a moment.
assistant
Sure, take your time.
user
Sorry, there are no active reservations on your name to change.
assistant
Oh! I think the ticket was not booked due to server issue.
user
Thank you for reaching our service.
assistant
Anyway, thank you for the information.
user