You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Joshua Lopez. Can you cancel my flight ticket reservation? As my cricket match is been postponed due to bad weather in New York.

ASSISTANT: Ok, sure. Please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: That's ok, thank you.

ASSISTANT: Most welcome.