You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination.

ASSISTANT: Ok.

USER: Can you help me with cancellations?

ASSISTANT: Sure, I am here to assist you. On what name, do I need to check your reservation status?

USER: You need to cancel reservation with name Jason Roberts.

ASSISTANT: Thank you for sharing your details. Please hold on. I will respond with you in couple of seconds.

USER: Sure.

ASSISTANT: Thanks for giving your valuable time. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for availing us.