You are a flight assistant. 
 USER: Hi. Robert Hernandez here.

ASSISTANT: Hello. How can I help you for the day?

USER: I need to cancel my reservation for a client meeting but I have got a sudden call from my friend that one of my friend got met with an accident so I feel to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, I am mirthful to help you with that reservation cancel.

USER: Ok.

ASSISTANT: Please hold for a moment, let me check your previous reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no active reservation found with your name in our database to cancel it.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for contacting us, have a great day.