You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my reservation as I am not able to make my trip. Can you please help me with that?

ASSISTANT: May I know your name please?

USER: Sure, my name is Ruth Roberts.

ASSISTANT: I have cancelled your reservation successfully.

USER: Thank you for cancelling my reservation.

ASSISTANT: Thank you for choosing us.