You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me in cancellation?

ASSISTANT: Sure, I will help you. Please provide me your name to check the details.

USER: Brenda Clark is my name.

ASSISTANT: There is no reservation with your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.