You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Lopez.

ASSISTANT: How may I help you today?

USER: I have planned a trip to participate in world champion ship but due to heavy rain storm the match got postponed, can you please help me in present flight ticket cancellation?

ASSISTANT: Sure, please allow me to check with your previous booking for a moment.

USER: Thank you for your acceptance and take your time.

ASSISTANT: Sorry to inform you but there is no reservation found under your name.

USER: Ok, that's fine. I think it might have cancelled by one of my friend as I have informed him to cancel the ticket.

ASSISTANT: Thank you for consulting our agency.

USER: Thank you for your help.

ASSISTANT: Most welcome.