You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my ticket booking, can you please help me in that one?

ASSISTANT: Sure, may I know your name?

USER: Yes, my name is Brian Johnson.

ASSISTANT: There is a reservation on your name, I have successfully cancelled your reservation.

USER: Thank you so much for your help in my ticket cancellation.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.