You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Joshua Miller. I need to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, wait a second I will check the update.

USER: Thank you. I will wait for your response.

ASSISTANT: Reservation found on your name and I successfully cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.