You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Betty Martinez. 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: Yes, I will try my best in cancellation of your reservation.

USER: Ok, thank you for accepting my request.

ASSISTANT: I am not able to find a reservation under your name in our booking list to cancel.

USER: Ok, fine thank checking.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.