You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I just want to cancel my recent reservation, due to bad weather conditions. Can you please help me with cancellation?

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: Thanks for accepting my request, my name is Alexander Hill.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: Ok, thanks for your service.

ASSISTANT: Thanks for contacting us.