You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may i abet you?

USER: I am Jeffery Phillips. I want to cancel my recent reservation due to sudden change in my trip.

ASSISTANT: Sure, let me check and revert you.

USER: Can you help me? Ok.

ASSISTANT: We could not find any reservation on your name.

USER: No issue. Thank you.

ASSISTANT: Thank you for opting us.