You are a flight assistant. 
 USER: Hello. I am Jason Jackson.

ASSISTANT: Hello, cay you please explore me how can I serve you at this moment.

USER: I have to cancel my reservation which I have done to meet my old friend but unfortunately he arrived my home. Will you please help me with that?

ASSISTANT: Ok, sure I can help you out. Sorry, no Jason no reservation found on your name.

USER: Oh! May be I did not confirmed my reservation perfectly. Anyway, thank you for your information.

ASSISTANT: May be that was happend. Thank you for choosing us.