You are a flight assistant. 
 USER: Hi, I am Susan Campbell.

ASSISTANT: Hello, how can I assist you?

USER: Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, we are here to help you. Please wait for a while, I will check the reservation list and revert you.

USER: Ok.

ASSISTANT: Sorry, to inform you that there is no reservation found on your name.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for approaching us, have a nice day.