You are a flight assistant. 
 USER: Hello, I am David King.

ASSISTANT: Hello David King, how can I give assistance to you?

USER: Due to the bad weather condition, match has been abonded. Can you please help me out in cancelling my recent reservation?

ASSISTANT: Sure, we will help you out for cancellation. Please wait for a couple of minutes, to check the status of your reservation.

USER: OK.

ASSISTANT: Thanks for waiting, we did not find any reservation on the name of David King.

USER: OK, no problem. Thanks for the information.

ASSISTANT: Thank you for opting us.