You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Donna Edwards here.

ASSISTANT: How can I help you at this moment?

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 will help you help you with that. Please give me a moment, I will check your previous reservation status.

USER: Ok.

ASSISTANT: There is no previous reservation available in your name.

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

ASSISTANT: Thank you for contacting us.