You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I be of your assistance ?

USER: This is Shirley Hill. My friend marriage had cancelled, can you please cancel my flight reservation which has done earlier?

ASSISTANT: Sure, I will check with the current status and revert you.

USER: OK.

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

USER: OK, thanks for the information.

ASSISTANT: Thank you. Have a good day.