You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Perez here.

ASSISTANT: How may I assist you now?

USER: I have to cancel my reservation which I have done earlier to participate in dance program 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: Kathleen Perez, please allow me to check with your previous booking for a while.

USER: Ok, take your time.

ASSISTANT: Sorry for the inconvenience, there is no active reservation found by your name.

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

ASSISTANT: Thank you for choosing us. Have a great day ahead.