You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: Due to attend for an important meeting I am unable to travel the trip, can you please help me in my flight ticket cancellation?

ASSISTANT: Sure, I am Happy to help you with that. May I know your name?

USER: Thank you for accepting my request and my name is Paul Thomas.

ASSISTANT: Ok, please be on hold for a minute.

USER: Sure.

ASSISTANT: I have found your reservation in our portal and I have successfully cancelled the ticket.

USER: Thank you for cancelling my previous flight ticket booking.

ASSISTANT: You are welcome. Thank you for choosing us.