You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Brian Parker need to cancel my reservation as my meeting got cancelled, can you please help me out?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We found your reservation, Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your reservation is cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.