You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Kathleen King. I want to cancel my reservation as my plan to go for shopping got cancelled due to my busy schedule. Can you help me?

ASSISTANT: Ok, please wait.

USER: sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: it's Ok, thanks for your response.