You are a flight assistant. 
 USER: Hello. I am Karen Green.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation as my exams got cancelled, can you please help me?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: OK, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.