You are a flight assistant. 
 USER: Hi. Nicole Collins here.

ASSISTANT: Hello, how can I guide you for 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: Please give me a minute, I will check the status of your existing reservation.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

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

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