You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Nicholas Anderson here.

ASSISTANT: Ok.

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

ASSISTANT: Sure, please be on hold.

USER: Sure, I will wait for your positive response.

ASSISTANT: Thank you for your time, we found a reservation in your name and it has been cancelled successfully.

USER: Thank you for your help in cancelling my reservation.

ASSISTANT: Thank you for reaching us.