You are a flight assistant. 
 USER: Hello. I am Catherine White.

ASSISTANT: Hello, how can I help you 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: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for reaching us.