You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to cancel my reservation as I have an urgent meeting at my office, can you please do that for me?

ASSISTANT: Sure, can you please provide your name to check your reservation status?

USER: Sure, my name is Joseph Brown.

ASSISTANT: Joseph Brown, there is no active reservation found under your name in our database.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for utilising our service.