You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I just want to cancel my reservation as my exam got cancelled. Can you help me with it?

ASSISTANT: Sure, may I know your name to proceed further?

USER: I am Betty Roberts.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you, sorry no reservation found with your name.

USER: Thank you for your information.