You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I need to cancel my recent reservation due to some issues, can you please help me in cancellation?

ASSISTANT: Sure, I will help you. Can I have your name?

USER: Sure, my name is Kenneth Campbell here.

ASSISTANT: Please, wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Shall I cancel it?

USER: Please cancel my recent reservation.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.