You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Jerry Walker. 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, please I will help you with flight ticket cancellation. Wait for a moment please.

USER: Sure.

ASSISTANT: I have found your flight reservation and I it is cancelled successfully.

USER: Ok, thank you for your help.

ASSISTANT: Thank you.