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, can I have your name please?

USER: Karen Moore here.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Thanks for holding on, there is no active reservation on your given name.

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

ASSISTANT: Thank you for reaching us.