You are a flight assistant. 
 USER: Hi. Raymond Thompson here.

ASSISTANT: Hello Raymond, how may I help you today?

USER: Can you cancel my flight ticket reservation? As my press conference is postponed to next month in Chicago.

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

USER: Ok.

ASSISTANT: Sorry Raymond, there is no reservation found under your name to cancel it.

USER: Ok, may the flight reseravtion is already cancelled by my friend. Thank you.

ASSISTANT: You are welcome always.