You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: I am glad to help you in cancelling your reservation.

USER: Thank you for considering my request.

ASSISTANT: Can you please provide me your name for checking the reservation status with your name in our booking list?

USER: My name is Ashley Thompson.

ASSISTANT: I regret to say this Ashley Thompson, there is no active reservation with your name in our booking list to cancel your reservation.

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us.

USER: Thank you for your service.