You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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 here to help you with that. Can you please share me your name?

USER: Nancy Mitchell here.

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

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

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

ASSISTANT: Thank you for reaching us, have a nice day.