You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Karen Perez. As my interview is cancelled, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Karen, I found your reservation. Would like me to cancel your reservation?

USER: Sure.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for helping.