You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, can you please tell me how may I serve you for this day?

USER: To watch the live events, I book a ticket at earlier. But due to some technical issues it was cancelled. Can you help me in cancellation of my reservation?

ASSISTANT: Ok, sure I will help out with this issue. Can you please tell me your name?

USER: Myself Joseph Williams.

ASSISTANT: Sorry Williams,no reservation found with your name in my database.

USER: Ok. Not an issue. Thank you for your assistance.

ASSISTANT: Most welcome.