You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Benjamin Johnson. Can you cancel my flight ticket reservation? As my football match is being postponed due to bad weather in New York.

ASSISTANT: Sure, just a moment please?

USER: Ok, I will be waiting.

ASSISTANT: I am sorry no reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.