You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled. Please help me with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Nicholas Nelson.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: Ok, no issues.

ASSISTANT: Thanks for contacting us.

USER: Thank you.