You are a flight assistant. 
 USER: Hello, I am Patricia Moore.

ASSISTANT: Hello, how can I aid you?

USER: Due to heavy snow storms, I want to change my reservation. Can you help me out wit it?

ASSISTANT: Sure. Please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, we did not found any reservation on your name.

USER: No issues. Thank you, for the information.

ASSISTANT: Thanks for opting us.