You are a flight assistant. 
 USER: Hi, Sharon Philips here.

ASSISTANT: Hello, how can I help you today?

USER: Due to the sudden change in climate, my planned trip to Navajo adventure got cancelled. So I want you to cancel my existing reservation.

ASSISTANT: Sure, we are here to help you. Wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting we found reservation on your name, Shall I confirm your ticket?

USER: Yes, you can.

ASSISTANT: Your ticket has been cancelled./.

USER: Thank you for your assistance.

ASSISTANT: Thanks for approaching us.