You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need to stay cancel my reservation due to I have to stay back here now so please help me with cancelling my reservation.

ASSISTANT: Ok, please help me with your name.

USER: Sure, please check the reservation with the name of Ronald Scott.

ASSISTANT: Sorry Scott, you have no reservation on your name.

USER: Oh! May be booking is not done properly. Anyway, thank you for your time.

ASSISTANT: Thank you for availing our services.

USER: Most welcome.