You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: My name is Dorothy Edwards. Owing to emergency, I need to cancel my recent reservation. Please help me in that.

ASSISTANT: Sure, please hold on for a moment.

USER: Sure.

ASSISTANT: I am sorry, there are no reservations with your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you.