You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, can I know your name for checking the reservation status?

USER: Sure. My name is Charles Edwards.

ASSISTANT: Charles, I found your reservation and cancelled successfully.

USER: Alright. Thank you for the much needed help.

ASSISTANT: You are welcome.