You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid 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: I am here to help you about that, can you provide your name to check the reservation status under your name?

USER: Pamela Collins here.

ASSISTANT: Sorry for the trouble which is caused to you, I have not found any reservation on your name in our database.

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

ASSISTANT: You are welcome, thank you for reaching us.