You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation as it seems difficult for me to go on this trip. Could you please help?

ASSISTANT: Sure, may I know your name please?

USER: Sure, it's Samuel Edwards.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation with your name, shall I cancel it?

USER: Yes, please go ahead and cancel it.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.