You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Evans here. I have to cancel my reservation which I have done earlier to participate in dance programme but unfortunately I have stay back here to take care of my injured friend. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, I am happy to help you in that one.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: When I have checked there is no reservation found for the user name in our ticket booking list.

USER: Oh! I think the ticket was not booked due to server issue. Anyway, thank you.

ASSISTANT: You are most welcome and thank you for reaching us.

USER: Welcome.