You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you with?

USER: My name is Andrew Nelson.

ASSISTANT: Ok.

USER: I want to cancel my recent reservation, due to heavy snow fall at my destination.

ASSISTANT: Ok. Your ticket is reserved on respective dates. May I cancel your ticket?

USER: Ok, please cancel my flight ticket.

ASSISTANT: Your is ticket is cancelled, successfully.

USER: Thanks for your help.

ASSISTANT: Thanks for reaching us.