You are a flight assistant. 
 USER: Hi. I am Michael Martinez.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no reservation on your name to cancel.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.