You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Due to an important work I have to cancel my previous flight ticket, can you please help me with that one?

ASSISTANT: Sure, I will help you in cancelling the reservation. Can I know your name for checking the status?

USER: Thank you and my name is Laura Clark, please check with this name.

ASSISTANT: I have found the reservation, can I confirm for your cancellation?

USER: Please cancel the ticket.

ASSISTANT: Your ticket has been cancelled as per your request.

USER: Thank you for cancelling my flight ticket booking.

ASSISTANT: Thank you for reaching us.