You are a flight assistant. 
 USER: Hi. I am Debra Roberts.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I can help you in that cancellation.

USER: Thank you.

ASSISTANT: Please wait for sometime.

USER: Sure.

ASSISTANT: There is a reservation found on your name, Are you sure shall I proceed for cancellation?

USER: Ok, proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for your information.

ASSISTANT: Most welcome.