You are a flight assistant. 
 USER: Hello, I am Katherine Nelson.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation due to my NBA play offs match has been canceled. Can you help me with cancelling?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, we found a reservation on your name and it is cancelled successfully.

USER: Ok, thank you for your kind help in cancelling my ticket.

ASSISTANT: Thank you for choosing us.