You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your guide for today?

USER: I am Kevin Lee. I need to go 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 will try my best in helping your about your reservation cancellation Kevin Lee.

USER: Ok, thank you for accepting my request.

ASSISTANT: Can I put your conversation on hold for sometime to check the reservation status with your name?

USER: Ok, take your own time. I will wait for your reply.

ASSISTANT: I regret to say this Kevin Lee, there is no active reservation with your name to cancel the reservation.

USER: Ok, fine thank you checking.

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