Hello.
user
Hello, how can 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 good name?
assistant
Thank you, my name is Sharon Williams.
user
Please wait for a moment.
assistant
Sure, take your time.
user
Sorry to say that, no reservation was found with your good name.
assistant
Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.
user
Thank you for reaching us.
assistant
Welcome.
user