You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please cancel my existing reservation as my plan to go for holiday trip got cancelled?

ASSISTANT: Sure, can I know your name?

USER: I am Rachel Jones.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: We found reservation on your name and it has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.