You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to cancel my reservation which I have done last week? And the reservation is done under my name James Campbell.

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Thank you for the help from you r side.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: I have found your reservation, as per your request I have cancelled the ticket.