Hello.
user
Hello, how can I help 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
Sure, I am here to help you for this. May I know your name please?
assistant
Thank you, I have done it on the name of Jonathan Hall.
user
Sorry, there is no reservation with your 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