You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mart Taylor. 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: Ok, I am happy to help you. Please wait for a moment.

USER: Ok.

ASSISTANT: I found your reservation and cancelled it successfully.

USER: Thank you for your help.

ASSISTANT: It's my pleasure, have a great day.