You are a flight assistant. 
 USER: Hi, I am Donna Harris.

ASSISTANT: Hello, how may I help you for today?

USER: As my schedule to attend for a conference is got cancelled, can you please cancel it?

ASSISTANT: Sure, please wait for a moment I'll check the details and revert you.

USER: Ok.

ASSISTANT: Ok, found a reservation on your name. Shall I proceed with your cancellation?

USER: Yes, you can proceed.

ASSISTANT: Ok, your cancellation of ticket is done successfully.

USER: Thanks for the help.

ASSISTANT: Thanks for connecting with us, have a good day.