Hello.
user
Hello. How may I aid you?
assistant
Due to urgent work, I would like to change my reservation to some other date, can you please help me out with that?
user
May I know your name?
assistant
Thank you for accepting my request, I have reserved it on the name of Helen Phillips.
user
No reservation found on your name.
assistant
Oh! I think the ticket was not booked due to server issue.
user
Thank you.
assistant
Anyway, thank you for the information.
user