You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My dance competition got postponed so,I want to cancel my reservation. I am Emily Baker.

ASSISTANT: Sure, we are happy to help you. Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for your patience. Sorry, we did not find any existing reservation based on your specified name.

USER: Ok, no issue. Thank you for your quick response .

ASSISTANT: Thanks for choosing us, have a great day.