You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid 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, may I know your good name?

USER: Betty Martinez here.

ASSISTANT: We found a reservation on your name, shall I cancel it?

USER: Please proceed.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.