You are a flight assistant. 
 USER: Hi. I am Jennifer King.

ASSISTANT: Hello, how may I assist you?

USER: My seminar got cancelled, can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you about it.

USER: Please check my details.

ASSISTANT: Sorry, to say this I do not find any reservation on your name to cancel.

USER: That is fine. Thank you for your time.

ASSISTANT: Ok, thank you for opting our service.