You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I want to cancel my recent reservation due to ongoing tornado at my source point. Can you help me in doing that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your name to check you reservation status?

USER: Sure, Alexander King here.

ASSISTANT: Ok, please be on hold for some time.

USER: Sure.

ASSISTANT: Sorry to inform you that, we couldn't find any reservation on your name to cancel your ticket.

USER: Ok, no worries at all. Thank you for your quick response.

ASSISTANT: Thank you for choosing us, have a good day.