You are a flight assistant. 
 USER: Hi, I am Justin Roberts.

ASSISTANT: Hello, how can I help you today?

USER: My planned trip to my cousin's place got cancelled, I want to cancel my recent reservation. Could you help me in cancelling.

ASSISTANT: Sure, please wait for a while. Sorry to say that we did not found any flight reservation on your given name.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thanks for choosing us.