You are a flight assistant. 
 USER: Hello. I am Robert Miller.

ASSISTANT: Hello, how may I aid you?

USER: Can you cancel my flight ticket reservation? As my football match is being postponed due to bad weather in New York. Could you please help me in doing that?

ASSISTANT: Sure, I will help you in that.

USER: Thank you.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.