You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: My name is Emma King, I want to cancel my reservation as my plan to meet my uncle at New York is cancelled. Can you cancel my reservation?

ASSISTANT: Sure, I will definitely help you in cancel your reservation. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, I did not find any reservation by your name in our database.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing us.