You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Please help me in cancelling the reservation, as my exams got cancelled.

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: May I know you name please?

USER: With the name of Jonathan Clark.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to say no reservation found with your name.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.