You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Richard Evans. 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 for a while.

USER: Ok.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for opting us.