You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: My trip got postponed, can you please cancel my recent reservation?

ASSISTANT: Sure, please share your name.

USER: I am Scott Campbell.

ASSISTANT: Reservation found under the name of Scott Campbell and I cancelled successfully.

USER: Ok, thank you.

ASSISTANT: Thank you for opting us.