You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation, due to my exams has been cancelled. Can you please help me?

ASSISTANT: Sure, can I know your name please?

USER: Sure, my name is Jacob Allen.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry Jacob, there is no active reservation found with your name in our records.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: My pleasure.