You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, what can I do for you today?

USER: I am Robert Campbell. I want to cancel my recent reservation as my exam got cancelled. Please help me out.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.