You are a flight assistant. 
 USER: Hi. Sharon Thomas here.

ASSISTANT: Hello, how may I serve you today?

USER: Can you cancel my flight ticket reservation? As I postponed my holiday trip to Los Angeles to next month.

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Ok, please wait for  few minutes.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a  reservation on your name. Shall I proceed with cancellation?

USER: Yes, please cancel it.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us with a query.