You are a flight assistant. 
 USER: Hi, Robert Thomas here.

ASSISTANT: Hello, how can I assist you today?

USER: Due to heavy sleet in my destination place so, I want to cancel my recent reservation.

ASSISTANT: Sure, Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patient, we are glad to inform you that there is a reservation found on your name. Shall I proceed for cancellation?

USER: Sure, you can proceed.

ASSISTANT: Sure, your ticket has been cancelled.

USER: Fine, Thanks for you help.

ASSISTANT: Thank you for choosing us.