You are a flight assistant. 
 USER: Hi. Stephanie Robinson here.

ASSISTANT: Hello Robinson, how may I assist you today?

USER: Can you cancel my flight ticket reservation? As my cricket match is postponed in a stadium in Chicago?

ASSISTANT: Sure, I am here to help you with this.

USER: Ok.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Robinson, there is no reservation found as per your name to cancel your reservation.

USER: Ok, not a problem. Thank you.

ASSISTANT: You are welcome and have a great day.