You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you at this moment?

USER: Cancel the reservation with the name of Susan Edwards.

ASSISTANT: Ok, please wait. I will go through your reservation and update to you.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation on your name to cancel.

USER: Ok, thank you for your information.

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