You are a flight assistant. 
 USER: Hi. I am Emily Thomas.

ASSISTANT: Hello, how can I service you for the day?

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 with that. Please wait a while.

USER: Ok.

ASSISTANT: Sorry, we did not found any reservation with your name.

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

ASSISTANT: Thank you for reaching us.