You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be there for you?

USER: I am Gregory Allen. Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, let me check the reservation list and revert you.

USER: Ok.

ASSISTANT: We found a reservation on your name. Shall I proceed to cancel?

USER: Yes, you can.

ASSISTANT: Your request for cancellation has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.