You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jeffrey Miller here.

ASSISTANT: How can I assist you?

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, I can help you. Please wait for a while.

USER: Ok.

ASSISTANT: Jeffrey Miller, there is no active reservation found under your name to do cancellation.

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

ASSISTANT: Thank you for choosing us.